Pro Comp Suspension’s traditional "Drop Bracket" 6” lift systems for the 1999 to 2006 GM 1500 trucks feature one-piece cross members and rigid upper control arm relocation brackets that preserve factory track width, steering geometry, and alignment specifications. Retaining the factory steering knuckles allows the use of factory rims. Rear lift is achieved with 4” tall blocks and add a leafs. Approximate installation time for complete suspension system is 8-10 hours. Six"es of lift allows the use of 35” x 12.50” tires on 16”-20” diameter rims with up to 5.25” backspacing. Systems are available with a variety of performance shock options including: nitro charged twin tube ES9000 shocks, mono-tube Pro Runner shocks or mono-tube adjustable MX6 shocks.
Pro Comp K1057B 6" Lift Kit Fits 4WD
- Brand: Pro Comp
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- SKU: PC-K1057B/K1057BP/K1057BMX
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- Part Number: K1057B/K1057BP/K1057F
1999-2006 Chevrolet Silverado 1500 4WD Gas/1999-2006 GMC Sierra 1500 4WD Gas/2007 Chevrolet Silverado 1500 Classic 4WD Diesel/2007 GMC Sierra 1500 Classic 4WD Diesel/2007 Chevrolet Silverado 1500 Classic 4WD Gas/2007 GMC Sierra 1500 Classic 4WD Gas
$1,695.99
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Product Details
Fitment
| Years | Make | Model | Drive | Engine |
|---|---|---|---|---|
| 1999-2006 | Chevrolet | Silverado 1500 | 4WD | Gas |
| 1999-2006 | GMC | Sierra 1500 | 4WD | Gas |
| 2007 | Chevrolet | Silverado 1500 Classic | 4WD | Diesel |
| 2007 | GMC | Sierra 1500 Classic | 4WD | Diesel |
| 2007 | Chevrolet | Silverado 1500 Classic | 4WD | Gas |
| 2007 | GMC | Sierra 1500 Classic | 4WD | Gas |
Features
- Lift Height: 6"
- Front Lift: Drop Brackets
- Front/Rear Crossmembers
- Compression Struts
- Front Sway Bar Spacers
- Bump Stops
- Torsion Bar Drop Brackets
- Upper Control Arm (A-Arm) Mount Brackets
- Steering Correction: Steering Drop
Components
| 1 | 51099B-1 | Kit Box |
| 1 | 51099B-2 | Kit Box |
| 1 | 51099B-3 | Kit Box |
| 1 | 51099B-5 | Kit Box |
| PLUS | ||
| 2 | Front 2.0 IFP Fox Shocks | |
| 2 | Rear 2.0 IFP Fox Shocks Wheel / Ti |
Important Notes
- A replacement CV front driveshaft is recommended for extended high speed use in 4x4 high or AUTO 4x4. GM vehicles with push button 4x4 high activation ( Auto Trac) use 51256 (measures 37.81" from U-joint
- center to end of slip joint.) GM vehicles with All Wheel Drive will require 51257 (measures 36.81" from U-joint center to end of slip joint.)
- 00-04 vehicles must use 16" or larger diameter rims. 05-13 vehicles must use 17" or larger diameter rims.
- Vehicle will require alignment after kit is installed.
- Hubcentric rings are recommended for 99-10 GM 1500 vehicles.
- Tie Rod Reinforcement Kit (Part No. 63305) threads onto factory tie rods to provide extra support for GM vehicles equipped with oversize tires and wheels.
Tire Info
| Max Tire Size | 35" x 12.50" |
| Wheel Diameter | 16" + |
| Wheel Width | 8" - 9.5" |
| Backspace | 4" - 5" |
| Bolt Pattern | 6 x 5.5" |
| Bolt Code | 83 |
| Lug Nut Size | 14mm x 1.5 |
| Lug Nut Kit | PXA26144 |