3651 N. Hwy. 89 • Chino Valley, AZ 86323(928) 636-7080

‘07-’10 CHEVY / GMC 2500 & 3500GAS PICKUP (New Body Style) BODY LIFTINSTALLATION INSTRUCTIONS3” KIT #10243MANUAL TRANSMISSIONVEHICLES REQUIRE KIT SE4701

WARNINGInstallation of a Performance Automotive Group bodylift kit will change the vehicle’s center of gravity andhandling characteristics both on and off-road. You mustdrive the vehicle safely! Extreme care must be taken toprevent vehicle rollover or loss of control, which couldresult in serious injury or death. Avoid sudden sharpturns or abrupt maneuvers and always make sure allvehicle occupants have their seat belts fastened.

WARNINGBefore you install this kit, read and understand allinstructions, warnings, cautions, and notes in thisinstruction sheet and in the vehicle owner’s manual.

CAUTIONProper installation of this kit requires knowledge of thefactory recommended procedures for removal andinstallation of original equipment components. We rec-ommend that the factory shop manual and any specialtools needed to service your vehicle be on hand duringthe installation. Installation of this kit without properknowledge of the factory recommended proceduresmay affect the performance of these components andthe safety of the vehicle. We strongly recommend thata certified mechanic familiar with the installation of sim-ilar components install this kit.

WARNINGDO NOT combine suspension, body, or other liftdevices. Use of vehicle with combined lifts may resultin unsafe and/or unexpected handling characteristics.

WARNINGThis kit should only be installed on a vehicle that is ingood working condition. Before you install the kit, thor-oughly inspect the vehicle for corrosion or deformationof the sheet metal around the factory body mounts. Ifthe vehicle is suspected to have been in a collision ormisused, do not install this kit. Off-road use of yourvehicle with this kit installed may increase the stressapplied to the factory body mounts. We do not recom-mend that any vehicle with a body lift kit installed beinvolved in any extreme off-road maneuvers such asjumping. Failure to observe this warning may result inserious personal injury and/or severe damage to yourvehicle.

WARNINGMany states and municipalities have laws restrictingbumper heights and vehicle lifts. Consult state andlocal laws to determine if the changes you intend tomake to the vehicle comply with the law.

WARNINGThe installation of larger tires may reduce the effective-ness of the Braking System.

WARNINGAlways wear eye protection when operating powertools.

WARNINGBefore you install this kit, block the vehicle tires to pre-vent the vehicle from rolling.

WARNINGAccidental deployment of the air bag can result in seri-ous personal injury or death. To avoid accidentaldeployment during installation of the kit, the Supple-mental Restraint System (SRS, or airbag) must remaindeactivated. Do not allow anyone near the airbag dur-ing installation. Refer to the factory service manual orowner's manual for the recommended procedure todisable the SRS. After you install the kit, reactivate theSRS before driving the vehicle.

NOTEPerformance Automotive Group recommends using the Loctite® supplied in the kit on the threads of all kit nuts and bolts unless specified otherwise in these instructions.

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Before Starting Installation

1. Carefully read all warnings and instructions com-pletely before beginning.

2. Verify all parts have been received in this kit bychecking the parts list at the end of this document.

3. Only install this kit on the vehicle for which it isspecified. If anytime during the installation youencounter something different from what is outlinedin the instructions, call technical support at (928)636-7080.

4. Special tools needed:

a. Die grinder or similar tool capable of cuttingmetal.

5. Park the vehicle on a clean, dry, flat, level surfaceand block the tires so the vehicle cannot roll in eitherdirection.

A. Engine compartment1. Battery cables

a. Disconnect battery cables from both batteries.Disconnect two negative cables first, then twopositive cables.

NOTEKit parts are prefaced by the word kit and appear inbold print.

NOTEIf parts are missing from kit, please be prepared to pro-vide the following information: 1. Name of purchase location 2. Bar Code on side of box 3. Date above bar code 4. Date inside box cover 5. Inspector # from inside box cover

Negative Cable

Positive Cable

Passenger Side Shown

2. Airbag fuse

a. Remove cover and airbag fuse “SIR” from fusepanel. Fuse locations may vary. Check fusechart on back of cover.

B. Measurements

1. Measure distance between the front bumper andfront fenders. Record measurement.

Driver Side _____ Passenger Side _____2. Measure distance between rear bumper and bed.

Driver Side _____ Passenger Side _____3. Measure and record distance between cab and bed

both sides.

Driver Side _____ Passenger Side _____

Prepare to install kit.A. Front of vehicle

1. Grille

a. Remove cover from core support with sevenpush pins.

Airbag Fuses

Cover

Core Support

Push Pins

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b. Remove bolt, six clips, and grille from core sup-port. Some GMC models may have extra clips.

2. Front bumper

a. If equipped, remove two connectors from two foglamps.

b. Remove six bolts and two front outer bumperbraces from front bumper and frame.

c. Remove two bolts and bumper from framehorns.

Clips

Bolt

Frame

Bumper

Bolts

Fog Lamp Connector Bumper Brace

Bumper Bolt

d. Remove four nuts, two double-bolt fasteners andtwo frame brackets from two frame horns.

e. Remove four bolts, two nuts and two tow hooksfrom frame horns.

3. Plastic cover and air flap

a. Remove five bolts, and plastic cover from frameand core support.

Frame Brackets Nuts & Double-Bolt Fasteners

Bolts & Nuts Tow Hook

Frame Rail

Bolts

Plastic Cover

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b. Remove plastic cover from push clip, lower radi-ator hose and vehicle.

c. If equipped, remove clip and harness from airflap.

d. Remove two clips, three push pins, and air flapfrom core support.

4. Transmission cooler

NOTETie transmission cooler to core support so that it hangsfree, and not binding hoses.

LowerRadiatorHose

Push Clip

PlasticCover

Harness

Clip

Air Flap

Push Pins

Air Flap

Clip

Core SupportClip

Air Flap

a. Remove two bolts and transmission cooler fromcore support.

b. Remove two transmission cooler lines from clip.

B. Engine Compartment

1. Air intake

a. Loosen clamp from air baffle assembly. Removewire harness clip from sensor.

Bolts

Trans Cooler

Clips

Wire Harness Clip

Air BaffleClamp

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b. Remove A/C hose from clip on upper fanshroud.

2. Fan shroud

a. Remove four pop-ups and upper fan shroudfrom vehicle.

b. Remove computer wiring harness from harnesspush clip and lower fan shroud.

c. Lift lower fan shroud from radiator clips on sideof radiator body.

A/CHose

Clip

FanShroud

Pop-ups

Upper Fan Shroud

HarnessPush Clip

Lower FanShroud

d. Remove clip and harness from engine mountedbracket.

3. Steering shaft.

a. Straighten steering wheel and strap the wheel soit will not turn.

b. 0Remove bolt and nut from upper and lowersteering shaft.

c. Slide upper steering shaft up to separate fromlower steering shaft.

4. Wiring harnesses and ground strap

NOTEEnsure steering shaft does not turn independently ofthe steering gearbox. This could cause the air bag sys-tem to malfunction, resulting in serous personal injuryor damage to the equipment.

Coolant Bottle

ClipHarness

Bracket

BoltNut

Upper Steering Shaft

Lower Steering Shaft

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a. Remove nut and ground strap from stud on firewall.

b. Remove harness from clip and bracket.

c. Remove two clips and harness from cover andinner fender.

GroundStrap

Firewall

Nut

Bracket

Clip

Harness

Clips Inner FenderHarness

Harness

Cover

5. Wiring harnesses and power steering drivers side

a. Remove bolt and two ground wires from frame.Also another ground strap on the passenger sideframe rail

b. Remove clip and harness from frame and shocktower driver side.

NOTEDriver side inner fender well was removed for clarityand ease of access.

Ground Wires Bolt Frame

Clip Harness

Frame And Shock Tower

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c. Carefully bend power steering pressure line atpower steering pump by pulling toward fire wallas shown. Do not allow line to kink.

d. Carefully bend power assist pressure line uptoward hood, to clear accumulator on brakehydro boost.

e. Loosen power assist pressure line fitting atbrake droopiest housing and position powerassist pressure line along side of accumulator asshown.

PowerSteeringPump

PressureLineBeforeBending

Direction of Firewall

Before Bending

PowerSteeringPump

Pressure LineAfterBending

Direction of Firewall

After Bending

BrakeHydro boost

Power Assist Pressure Line

Accumulator

f. Tighten power assist pressure line fitting atbrake droopiest housing.

g. Remove bolt, clamp, and power assist pressureline from frame.

h. Remove two brake lines from two sets of clipsdriver side frame.

6. Manual transmission: shift lever

Line Fitting

BrakeHydro boost

Power AssistPressure Line

Accumulator

Bolt and Clamp Frame

Power AssistPressureLIne

Engine Drivers Side

Upper Steering ShaftLower Steering Shaft

Brake Lines

Clips

Frame

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a. Remove four screws, four pop-ups, and shiftboot from floorboard. Lift shift boot up out of theway.

b. Mark upper shift lever and shift lever input shaftto maintain alignment during installation.

c. Loosen jam nut and remove upper shift leverfrom shift lever input shaft.

C. Frame

1. Parking brake cable

a. Remove bolt and ground wires from driver sideframe mounting pad.

Pop-ups

Upper ShiftLever

ScrewShift Boot

Floorboard

Mark

Shift Lever Input Shaft

Upper Shift Lever

Jam Nut

FrameMounting Pad

Bolt and Ground Wires

b. Pull some slack in parking brake cable. Clamptwo cables at cable housing where indicated byarrows.

c. Separate front parking brake cable from rearparking brake cable at cable connector.

d. Remove front bake cable and brake cable hous-ing from front frame mounting pad.

2. Manual transfer case: shift linkage (If applicable)

Front Brake Cable Rear Brake CableCable Connector

Frame Mounting Pad Cable Housing

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a. Remove clip containing three metal lines frombracket.

b. Remove two nuts and bracket from transfercase. Bracket is not reused. Install two nuts andtighten.

c. Remove two clips and transfer case linkage fromtransfer case and pivot.

3. Single cab only: Safety cables

a. If applicable, remove two bolts and safety cablesfrom two rear frame mounting pads.

WARNING

Lines

Clip

Bracket

Nut

Bracket

Nut behind bracket Transfer Case

Transfer Case Linkage

Safety Cable

Bolt

Frame Mounting Pad

D. Rear of vehicle

1. Fuel filler

a. Remove fuel cap, three bolts, and fuel filler frombed.

2. Rear bumper

a. Unplug rear bumper light wiring harness fromframe connector.

Use extreme caution when working near fuel lines andfuel tank. Clean up spilled fuel immediately. Any sparkcould cause an explosion or fire resulting in seriouspersonal injury and property damage.

NOTERemoval of spare tire might be helpful, but not manda-tory (refer to the Owner’s Manual).

BoltsFuel Filler

Fuel Cap

Bed

Light Harnessand Plug

FrameConnector

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b. Remove four nuts, two double-bolt fasteners,four bolts and bumper from frame rails.

c. If equipped with a trailer hitch, remove two shortand two long bolts from hitch and frame.

d. Remove two bolts and bumper from hitch andvehicle.

Frame Rail Bolts & Bumper

Short Bolt

Long Bolt

Hitch

Frame

Bolt

Bumper

Hitch

Install the kitA. Cab

1. Prepare to lift cab from frame

a. Loosen but do not remove, core support bolt andthree cab bolts from drivers side cab.

b. Remove core support bolt, nut, and three cabbolts from passenger side cab.

2. Passengers side

WARNINGFailure to replace the OEM body mounting hardware(except mounting bolts in the kit) in the stock locationscould result in serious personal injury or damage to thevehicle.

NOTEEnsure stock spacers and body bushings stay on vehi-cle unless otherwise specified in these instructions. Kitlift blocks are installed in addition to the stock spacersand body bushings.

CAUTION

Core SupportBolt with Nut

Cab Bolts

Core SupportBolt And Nut

Cab Bolts

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a. Using a hydraulic jack and a wooden block,slowly lift cab high enough to position a kit liftblock between core support and body bushing.Position three kit lift blocks between cab andremaining body bushings.

b. Install a kit lift block under core support and ontop of upper body bushing, frame, and lowerbody bushing with a kit bolt (12mm-1.75 x180mm), kit washer (1/2” thick), and stock nut.Do not tighten.

Continually check hoses, wires, lines, etc. to be surethat everything is flexing properly and not binding, ordamage to the vehicle could result. Be especially care-ful of the a/c hoses at the fire wall, the belt pulley, andat the core support. Ensure brake lines extend whilelifting. Bending the lines to gain ample slack may benecessary. Be extremely careful not to kink the lines.

WARNINGUse extreme caution when lifting body from frame.Ensure lifting device is securely placed. Keep handsout from between frame and body, or serious personalinjury could result.

Bolt and1/2” Washer

Core Support

Lift Block

Upper BodyBushing

Frame

Lower BodyBushing

StockNutStock

Core SupportShown

c. Install three kit lift blocks (with 5/8” hole) underbody and on top of top body bushings, frame,and lower bushings, with three kit bolts (14mm-2.0 x 180mm) and kit washers (14 mm). Do nottighten.

d. Lower cab onto kit lift blocks.

3. Drivers side

a. Repeat above steps for the cab driver side.

b. Adjust cab to bed clearance as needed usingmeasurements taken earlier.

4. Finish cab lift block installation

a. Remove eight bolts one at a time, place a fewdrops of kit Loctite® on threads, install andtighten to 55ft.lbs.

B. Bed

1. Prepare to lift bed from frame.

a. Loosen but do not remove four bed bolts driverside (short bed three bolts).

Lower BodyBushing

Bolt andWasher

BodyKit Lift Block(5/8” Hole)

Frame

Upper BodyBushing

Frame

BedBolt

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b. Remove four bed bolts from frame passengerside.

2. Bed passenger side

a. Using a hydraulic jack and a wooden block,slowly lift the bed high enough to position the kitlift blocks between bed and frame mountingpads.

b. Position three kit lift blocks (3” Diameter) andone kit (2” Diameter) lift block between bed andframe as shown.

c. Install kit lift blocks on frame and bed with fourkit bolts (12mm-1.75 x 100mm) and four kitwashers (7/16” USS). Do not tighten.

d. Lower bed onto kit lift blocks.

3. Install driver side bed kit lift blocks.

Frame

BedBolt

Bed

Block

Frame

Bolt andWasher

a. Repeat above steps for driver side.

4. Finish the bed kit lift block installation.

a. Adjust bed to cab clearance as needed usingmeasurements taken earlier.

b. Remove eight kit bolts one at a time, place afew drops of kit Loctite® on threads, install andTighten to 55ft.lbs.

C. Rear of vehicle

1. Install rear bumper

a. Mark, cut, and bend crossmember for spare tirecrank tube as shown.

2. Rear bumper

NOTEPlace a few drops of Loctite® on threads of all bolts.

WARNINGThe following procedure is intended only to enhancethe appearance of the vehicle. The rear bumper will nolonger be rated for towing of any kind. Towing with therear bumper after it has been lifted can result in death,serious personal injury, or damage to the vehicle. Tow-ing after the bumper has been lifted should be accom-plished using a rated Class III receiver type hitch.

Cut

Spare Tire

Crossmember

Crank Tube

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a. Remove two clips from fascia and bumper.

b. Remove two bolts from bottom of bumper.

c. Remove six nuts, two carriage bolts and bumpersupport from bumper.

Bumper Fascia

Clip

Bumper Bolt

Nuts Bumper

Nut & Carriage BoltBumper Support

d. Cut two brackets and remove from bumper sup-port as shown.

e. Position two kit brackets (bumper, rear) ontobumper support against stop.

Bracket Cut Welds

AFTER CUT

Kit Bracket (Bumper, Rear, Right)

Kit Bracket (Bumper, Rear, Left)

StopBumper Support

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f. Mark and cut left and right of bumper as shown.

g. Install bumper support and two kit brackets(bumper, rear) onto bumper with two O.E. car-riage bolts and six nuts. Snug, but DO NOTTIGHTEN.

h. Install bumper onto frame rails with two O.E.double-bolt fasteners, two nuts, two kit bolts(M10-1.5 x 40), four kit washers (3/8” USS) andtwo kit nuts (M10-1.5 Stover). Snug, but DONOT TIGHTEN.

Bumper Mark & Cut

Nuts Kit Bracket (Bumper, Rear)

Nut & Carriage BoltBumper Support

Frame Rail Kit Bracket (Bumper, Rear)

Nuts & Double-Bolt Fasteners

Kit Bolt (M10-1.5 x 40),Kit Washers (3/8” USS),Kit Nut (M10-1.5 Stover)

i. Mark eight holes through two kit brackets(bumper, rear) onto bumper support.

j. Remove two O.E. double-bolt fasteners, twonuts and bumper from frame rails.

k. Remove six nuts, two carriage bolts and bumpersupport from bumper.

l. Drill eight 1/2” holes through bumper support atmarked locations.

Mark Holes

Bumper Support

Kit Bracket (Bumper, Rear)

Drill Here Bumper Support

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m. Install bumper support onto two kit brackets(bumper, rear) with four kit bolts (1/2”-13 x 3”),eight kit washers (1/2” SAE) and four kit nuts(1/2”-13 Stover). DO NOT TIGHTEN.

n. Install bumper support and two kit brackets(bumper, rear) onto bumper with two O.E. car-riage bolts and six nuts. DO NOT TIGHTEN.

o. Install bottom of bumper onto bumper supportwith two bolts.

p. Install fascia onto bumper with two clips.

q. Install bumper onto frame rails with two O.E.double-bolt fasteners and four nuts. DO NOTTIGHTEN.

Bumper Support

Kit Bolts (1/2”-13 x 3”),Kit Washers (1/2” SAE),Kit Nuts (1/2”-13 Stover)

Kit Bracket (Bumper, Rear)

Nuts Nut & Carriage Bolt

r. Install bumper onto frame rails with two kit bolts(M10-1.5 x 40), four kit washers (3/8” USS) andtwo kit nuts (M10-1.5 Stover). DO NOTTIGHTEN..

s. Install kit bracket, hitch spacer and two kitblocks, lift (3” x 2” large hole) as shown, on rearbumper and hitch with two kit bolts (14mm x110mm) and two kit washers (14mm). Do nottighten.

Frame Rail

Nuts & Double-Bolt Fasteners

Kit Bolt (M10-1.5 x 40),Kit Washers (3/8” USS),Kit Nut (M10-1.5 Stover)

Kit Bracket (Bumper, Rear)

Hitch SpacerBracket

Lift Blocks

Bolts andWashers

Bumper

Hitch

16 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

t. Install hitch on frame with two short bolts andnuts. Use forward most hole in hitch.

u. Install kit brackets (rear bumper) and hitch onframe with two long bolts, two kit washers (1-1/2x 2-1/2 rectangular), two kit washers (14mm),into two kit nuts (14mm nylock).

v. Adjust bumper to bed clearance using measure-ments taken earlier and tighten hitch bolts firstthen remaining bolts and nuts to 55 lb-ft.

Short BoltFrame

Hitch

ForwardMost Hole

Long Bolt

Frame

Hitch

Kit BumperBracket

Hitch

Long Bolt,Kit Washer (1-1/2 x 2-1/2 rectangular),Kit Washer (14mm), Kit Nut (14mm nylock)

w. Plug license plate light harness in at crossmem-ber connector.

4. Install fuel filler

a. Remove bolt and fuel filler ground wire fromframe.

b. Loosen fuel filler hose and vent hose clamps.

WARNINGUse extreme caution when working near fuel lines andfuel tank. Clean up spilled fuel immediately. Any sparkcould cause an explosion or fire resulting in seriouspersonal injury and property damage.

FrameConnector

LightHarness and Plug

Bolt & GroundWire

Frame

Clamps

17 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

c. Remove clips from vent hose and fuel filler hose.

d. Remove fuel filler from vehicle.

e. Mark and cut fuel filler neck as shown.

f. Deburr edges of cut ends.

g. Install kit extension (fuel filler) with two kitclamps (#20 hose). DO NOT TIGHTEN.

Clips

Alignment Mark

Cut Here

Kit Extension(Fuel Filler)

Kit Clamps(#20 Hose)

h. Install fuel filler onto body with three bolts.

i. Install fuel filler onto fuel filler hose. Adjust kitextension (fuel filler, rubber) and fuel filler hose.TIGHTEN kit clamps (#20 hose) and fuel fillerhose clamp. Install fuel filler vent hose onto fuelfiller and TIGHTEN vent hose clamp.

j. Install clips onto fuel filler and vent hose.

k. Install ground wire onto frame with bolt.

Bolts

Fuel Filler

Fuel Filler Hose

Clips

Bolt & GroundWire

Frame

18 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

l. Install fuel cap.

E. Frame

1. Safety cables, single cab only

a. Install two kit brackets, safety cable extensionon frame rear mounting pads with two bolts.

b. Install two safety cables on kit brackets, safetycable extension with two kit bolts (3/8” x 1 1/2”),four kit washers (3/8” USS), and two nuts (3/8”nylock).

2. Parking brake cable.

NOTESome filing of drilled 1/2” hole may be required to allowparking brake cable housing to fit properly.

Kit Brackets,Safety Cable Extension

Bolt

Kit Bolts (3/8” X 1 1/2”), Kit Washers (3/8” USS), Nuts(3/8” Nylock)

Frame

a. Drill a 1/2” hole in the frame 2” up and 1/2” overfrom original hole as shown.

b. Bend tab on front of frame mounting pad up asshown.

c. Install the front parking brake cable housing asshown.

OriginalHole

1/2” DrilledHole

Frame

1/2”Over

2”Up

Tab

FrameMountingPad

BrakeCableHousing

19 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

d. Install two ground wires on frame mounting padwith bolt. Connect front and rear brake cables.Remove clamps from rear cable.

3. Lengthen and install transfer case shift lever.

a. Remove two spring clips and transfer case link-age from shift lever, transfer case shift arm.

NOTEThe following step is for vehicles with manual transfercase only. Other models skip this step.

GroundWires

Bolt

Front Brake Cable Rear Brake Cable

FrameMounting Pad

Spring ClipTransfer CaseLinkage

Transfer CaseShift Arm

b. Scribe a line along transfer case linkage asshown. Cut transfer case linkage into two piecesthrough the scribed line and deburr.

c. Position kit pin 4x4 extension between twopieces of transfer case linkage. Ensure transfercase linkage scribed lines align and weld kit pinextension in place.

d. Install transfer case linkage on transfer caseshift arm and shift lever with two clips.

e. Check transfer case shift lever operation.Ensure there is complete engagement in allranges. If necessary, adjust the linkage.

4. Manual transmission shift lever.

5. Driver side wheel well and frame rail.

a. Install kit bracket, s-shaped on frame with bolt.

WARNINGA certified welder should perform all welding.

NOTEManual transmissions require shift extension SE4701purchased separately. Automatic transmission mod-els skip this step.

Scribed LineTransferCaseLinkage

Cut Here

Kit Pin

Transfer Case Linkage

20 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

b. Install power steering hose and clamp on kitbracket, s-shaped with a kit washer (1/4” SAE)and a kit nut (1/4” nylock).

c. If possible, install four harness clips on frameand wheel well.

d. If possible, install two brake lines in two sets ofclips. If brake lines will not fit back into position,wrap lines with two kit zip ties individually, andthen secure the lines together with one kit zip tieas a bundle.

Kit Bracket,S-shaped

BoltFrame

Kit Washer (1/4” SAE) & Kit Nut (1/4” Nylock)

Power Steering Hose & Clamp

Harness Clips

Frame

Brake Lines

Clips

Frame

e. If possible, install harness in clip on frame driverside.

F. Engine Compartment

1. Wiring harnesses and ground strap

a. If possible, install clip in bracket (top of engine).

b. Install ground strap on stud with nut.

2. Install kit steering extension.

a. Place a few drops of kit Loctite® on threads ofbolts for both following steps.

Clip

Harness

Frame

Bracket

Clip

Harness

GroundStrap

Firewall

Nut

21 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

b. Install kit steering extension on upper steeringshaft with kit bolt (3/8” x 1 3/4”), two kit washers(3/8” SAE), and kit nut (3/8” nylock). Do nottighten.

c. Install kit steering extension into lower steeringshaft with bolt and nut. Tighten bolt to 33 lb-ft.

d. Radiator Fan Shroud.

c. Trim ears off of the sides of the lower half of thefan shroud. Mark and trim upper fan shroud asshown..I

Kit Bolt (3/8” X 1 3/4”),Kit Washers (3/8” SAE),Kit Nut (3/8” Nylock)

Kit ExtensionSteering

Upper Steering Shaft

Bolt And Nut

Lower Steering Shaft

Trim Here

d. Set lower and upper halves of fan shroud intoposition in engine compartment. Attach upperand lower halves of fan shroud to each otherusing the pop-upsnstall kit brackets and kit ure-thane radiator onto fan shroud using kit 1/4”nylock nuts and kit 1/4” SAE washers. (For 2” kit,holes will need to be drilled in kit urethane radia-tor)..I

e. Install two kit fan shroud upper brackets on coresupport with original bolts. (On 8.1L, install fourkit brackets.)

CAUTIONUse care when drilling hole into core support. DO NOTdrill into radiator. Severe damage could occur.

Kit Nuts &Washers

Kit Urethane

Kit Brackets

Bolts

22 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

f. Drill 1/4” hole through kit urethane radiator intoupper core support. Install kit push clip into kiturethane radiator and upper core support.

g. Remove four clips holding wire harness to bot-tom of core support. Remove four clips from wireharness.

h. Using kit brackets (L-shaped) as templates,mark two holes in lower fan shroud as shown.Using kit brackets (L-shaped) as templates,mark two holes in lower core support as shown.

Drill & Install Kit Push Clip

Kit Bracket(L-Shaped)

Mark & Drill Here

i. Install kit fan shroud lower brackets on core sup-port using kit 1/4” fasteners. Using the hole ineach kit lower bracket as a template, mark thefan shroud for drilling.

j. Remove fan shroud. Drill holes in lower half offan shroud where marked. Set both halves of fanshroud into position in engine compartment andattach them to each other using pop-ups.

k. Secure upper half of fan shroud to kit upperbrackets.

l. Secure lower half of fan shroud to kit lowerbrackets using kit 1/4” fasteners. Be sure toinstall two kit wire harness clamps on wire har-ness.

m. Check fan to fan shroud clearance. Ensure gapis the same all around shroud, then tighten allbolts and nuts.

n. Position air duct (43) on air filter housing (44)and throttle body (45) and tighten two clamps(41 and 42).

o. Install hose (36) in two clamps (37 and 38).

Fan Shroud

Kit WireHarness Clamps

Kit Bracket(L-Shaped)

Core Support

23 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

p. Install hose (39) in clamp (40).

a. Install Air Flap with three push pins in holes pro-vided in kit lower fan shroud plates. Install twoouter Air Flap clips.

17. Air intake

Push Pins

Air Flap

Clip

Core SupportClip

Air Flap

a. Install air box assembly in rubber grommets onfender and position air inlet hose on intake man-ifold.

b. Install A/C hose from clip on upper fan shroud.

G. Front of vehicle

1. Transmission cooler (If so equipped)

a. Remove two nut clips from transmission coolerand install in holes on core support A-frame.

Air Intake Assembly

Engine

A/CHose

Clip

FanShroud

24 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

b. Install transmission cooler in stock location andtwo bolts. (Note: carefully shape transmissioncooler hoses for extra slack if necessary.)

c. If necessary, carefully shape hard line andsecure with kit zip tie.

2. Plastic splash guard

a. If removed, install clip and harness on air flap.

b. Install plastic cover on frame and core supportwith five bolts.

3. Install front bumper

Transmis-sion Cooler

Bolts

Zip Tie

Transmission Cooler

Bolts

Plastic Cover

a. Place a few drops of kit Loctite® on threads ofbolts.

b. Install kit bracket (bumper, front, left) and kitbracket (bumper, front, right) onto left framehorn with four kit washers (1/2” x 1-3/8”), four kitbolts (1/2”-13 x 5-1/2”), eight kit washers (1/2”SAE) and four kit nuts (1/2”-13 Stover). DO NOTTIGHTEN.

NOTEKit washers (1/2” x 1-3/8”) are fitted between kitbrackets (bumper, front) and frame horn.

Kit Bracket (Bumper, Front, Right)

Kit Bracket (Bumper, Front, Left)

Kit Washers (1/2” x 1-3/8”)Frame Horn

25 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

c. Install frame bracket onto kit brackets (bumper,front) with two kit sleeves (.75” OD x .532” ID x3.35” L), four kit bolts (1/2”-13 x 5-1/2”), eight kitwashers (1/2” SAE) and four kit nuts (1/2”-13Stover). DO NOT TIGHTEN.

d. Repeat above substeps for right frame horn.

e. Loosen two bolts and two bumper supports onbumper.

f. Install bumper onto frame brackets with two O.E.bolts. DO NOT TIGHTEN.

Frame Bkt.

Kit Sleeves(.75” ODx .532” ID x 3.35” L)

Kit Bolts (1/2”-13 x 5-1/2”),Kit Washers (1/2” SAE),Kit Nuts (1/2”-13 Stover)

Bolt Bumper Support

Bumper Bolt

g. Install two kit brackets (bumper, front, support)onto two cab mounts with four kit bolts (7/16”-14x 1-1/2”), eight kit washers (7/16” SAE) and fourkit nuts (7/16”-14 Stover). DO NOT TIGHTEN.

h. Install two bumper supports onto two kit brack-ets (bumper, front, support) with four O.E. bolts.DO NOT TIGHTEN.

i. Align bumper to previous measurements andTIGHTEN all bumper hardware.

j. Connect two wiring harnesses onto fog lamps, ifequipped.

k. Adjust bumper to body clearance using mea-surements from removal section.

l. Tighten bolts and nuts to 55 lb-ft.

m. If so equipped, install two connectors on two foglamps.

4. Install the grille

Bumper Support O.E. Bolts

Kit Bolts (7/16”-14 x 1-1/2”),Kit Washers (7/16” SAE),

Kit Bracket(Bumper, Front,

Connector

Fog Lamp

26 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

a. Position grille on core support and install sixclips in core support and front fenders.

b. Install cover on core support with seven pushpins.

5. Install crush blocks

a. Remove four plastic disks from frame.

b. Install four kit crush blocks on frame with fourkit washers (5/16” USS) and four kit screws (5/16” x 3/4” self tapping).

NOTEShort wheel base trucks have two plastic disks anduse two kit crush blocks.

Clips

Cover

Core Support

Push Pins

Bed

Kit Crush BlocksKit Washer (5/16” USS)&Kit Screws (5/16” X 3/4” Self Tapping)

Frame

H. After installation is complete

1. Install airbag fuse in fuse panel. Install cover

2. Connect both battery cables to the battery. Be sureto reconnect the positive cables first, then the nega-tive cables.

3. Install Gap Guards (you did remember to order yourGap Guards, didn’t you?).

4. Stick kit warning sticker on the dash in plain sightof all vehicle occupants.

5. Double check the vehicle.

a. Check all mounting hardware to ensure it isproperly tightened.

b. Check all wires, hoses, cables, etc. to ensurethey have been properly connected and there isample slack. Check all belts and pulleys toensure there is no rubbing or interference. Withthe number of hoses on this vehicle, it is vitalthat this be checked thoroughly.

c. Check vehicle electrical system.

CAUTIONRetorque all fasteners after 500 miles and after offroad use. All body lift components should be visuallyinspected and fasteners re torqued during routine vehi-cle servicing.

Airbag Fuses

Negative Cable

Positive Cable

Passenger Side Shown

27 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

d. Start vehicle and check the steering in bothdirections to ensure that there is no bind. Checkclutch operation. Check the operation of thebrake system and the parking brake. Check bothshift levers’ operation. Ensure that there isproper engagement in all gears and 4 wheeldrive ranges.

e. Check coolant level. Fill coolant to the properlevel (refer to the Owner’s Manual).

f. Test drive vehicle in all gears and 4 wheel driveranges. Pay close attention to all vehicle sys-tems. Check all hardware again in 500 miles andas part of your regular maintenance schedule.

CAUTIONNever open a closed cooling system after the vehiclehas been started. Only fill the cooling system if the caphas been removed while the vehicle was still cold.

NOTEAll warranty information, instruction sheets, and otherdocuments regarding the installation of this productmust be retained by the vehicle owner. Informationcontained in the instructions and on the warranty cardwill be required for any warranty claims. The vehicleowner needs to understand the modifications made tohis vehicle and how they affect vehicle handling andperformance. Failure to provide the customer with thisinformation can result in damage to the vehicle andsevere personal injury.

CAUTIONPerformance Accessories does not recommend anyparticular wheel and tire combinations for use with itsbody lifts and cannot assume responsibility for the cus-tomer’s choice of wheels and tires. Reference yourowner's manual for recommended tire sizes and warn-ings related to the use of oversized tires. Larger wheeland tire combinations increase stress and wear onsteering and suspension components, which leads toincreased maintenance and higher risk for componentfailure. Larger wheel and tire combinations also alterspeedometer calibration, braking effectiveness, centerof gravity, and handling characteristics. Consult withan experienced local off road shop to find what wheeland tire combinations work best with your vehicle.

28 ‘07-’10 Chevy / GM 2500 & 3500 Gas-Kits 10243

PARTS LIST KIT 10243QTY DESCRIPTION2 Bolt, 1/2 x 1 1/2

8 Bolt, 1/2”-13x5-1/2”

10 Bolt, 1/4 x 3/4

2 Bolt, M10-1.5x40mm

8 Bolt, 12-1.75 x 100mm

2 Bolt, 12-1.75 x 180mm

6 Bolt, 14-2.00 x 180mm

2 Bolt, 14-2.00 x 110mm

4 Bolt, 3/8 x 1 1/2

1 Bolt, 3/8 x 1 3/4

16 Bolt, 7/16 x 1 1/2

2 Bracket, S-shaped, 2”

2 Bracket, L-shaped

2 Bracket, front bumper driver side

2 Bracket, front bumper outer

2 Bracket, front bumper passenger side

1 Bracket, rear bumper driver side

1 Bracket, rear bumper passenger side

1 Bracket, hitch spacer

4 Bracket, studded 3” radiator

3 Bracket, 3” ground strap

6 Clip, push

4 Crush block with hole

1 Extension, fuel filler

2 Hose clamp, fuel filler #20

1 Label, logo

1 Label, warning

1 Loctite, 6ml

8 Nut, 1/2-13 Nylock

16 Nut, 1/4 Nylock

2 Nut, M10-1.5 Stover

2 Nut, 14mm Nylock

5 Nut, 3/8 Nylock

12 Nut, 7/16 Nylock

1 Pin, 4x4 extension, 1/2” X 1”

4 Screw, 5/16 x 3/4, self-tapping

2 Lift block, 3” height x 2” diameter

2 Lift block, 3” height x 2” dia, with 5/8” hole

8 LIft block, 3” height x 3” diameter

6 LIft block, 3” height x 3” diameter w/ 5/8” Hole

4 Sleeve, .75” ODx.532” IDx3.35” L

1 Steering extension

1 Urethane, Radiator

8 Washer, 1/2”x1-3/8”

12 Washer, 1/2” USS

2 Washer, thick 1/2” x 3/16” x 1 3/4”

24 Washer, 1/4” SAE

10 Washer, 14mm

2 Washer, 3/16” x 1 1/2” x 2 1/2”

2 Washer, 3/8” SAE

8 Washer, 3/8” USS

4 Washer, 5/16” USS

40 Washer, 7/16” USS

2 Wire Loom

4 Zip tie