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1999-2006 GM K1500 4WD
6" Performance System

A. Reduced Offset Steering Knuckles
B. High Arched Lower Control Arm Crossmembers
C. Differential Skid Plate
D. Billet Sway Bar Links
E. Crossmember Impact Struts
F. Optional Dual Shock System
G.
Optional Steering Stabilizer

KIT 6" PERFORMANCE SYSTEM
Lift is accomplished via one-piece cast drop down steering knuckles attaching to heavy duty 1/4" thick, high arched lower control arm crossmembers. Fabtech’s combination of steering knuckles and high arched crossmembers provides superior ground clearance for the true offroader.

The front differential is relocated with a cradle style bracket using bushings at just the proper angle to allow the use of the factory front driveshaft, without vibration on Autotrac models. Solid steel billet sway bar end links with urethane bushings retain the factory front sway bar angle.

The stock upper control arms and steering centerlink are retained in the factory position and do not have to be removed for installation. The front suspension is completed with crossmember impact struts and torsion bar drop down brackets. Rear lift is accomplished with a 5 " block kit and 2" add a leaf.
HOOP
1999-06 GM IFS
The late model 4WD Silverado has quickly become the offroad enthusiasts vehicle of choice. GM invested heavily in this newly designed truck in 1999 and Fabtech has selected it as the first 4 wheel drive suspension system to build in our new line of IFS systems. After setting meticulous design standards for our engineers, we have finally designed and built the finest GM 4WD IFS system on the market. No other GM IFS system can boast about all of these features in one system.
PERFORMANCE SUSPENSION SYSTEM FEATURES & BENEFITS
• Allows use of stock tires & wheels
• No driveshaft change required for Auto Trac models
• Crossmembers constructed of heavy 1/4" thick
plate steel
• Solid steel billet sway bar end links
• Includes 1/4" thick steel differential skid plate
• Tubular impact struts included
• Increased caster for more control with oversized tires
• Retains factory steering centerlink & upper control
arms in stock location
• Quick, no weld installation
HOOP
MULTIPLE FRONT SHOCKS
Increase the dampening capacity of your vehicle with the addition of multiple
shocks to the front suspension. The tubular Multiple Shock hoops bolt to the
frame and do not require cutting of the inner fenderwell, keeping mud and
water away from the motor.
2000-2006 GM K1500 4WD
6” Performance System(1)(2)(3)(5)(6)
Use 315/75R16 tire w/16x10 wheels w/ 4 5/8” BS w/ minor trimming
Use 315/70R17 tire w/17x9 wheels w/ 4 5/8” BS w/ minor trimming

Use 325/65R18 tire w/18x9 wheels w/ 5” BS w/ minor trimming

1 K1000 Kit Reference Number w/ Performance Shocks
1 K1000D Kit Reference Number w/ Performance Shocks
1 FTS21000BK Component Box 1 FT21000I
1 FTS21002BK Component Box 2  
Order below front & rear Performance or Dirt Logic Shocks
2 FTS7190 Performance Front Shocks  
2 FTS7240 Performance Rear Shocks  
2 FTS81014 Dirt Logic 2.25 Front Non Resi  
2 FTS81015 Dirt Logic 2.25 Rear Non Resi  
 
1999 Only GM K1500 4WD
6” Performance System(1)(3)
Use 315/75R16 tire w/16x10 wheels w/ 4 5/8” BS w/ minor trimming
Use 315/70R17 tire w/17x9 wheels w/ 4 5/8” BS w/ minor trimming

Use 325/65R18 tire w/18x9 wheels w/ 5” BS w/ minor trimming

1 K1001 Kit Reference Number w/ Performance Shocks
1 K1001D Kit Reference Number w/ Performance Shocks
1 FTS21000BK Component Box 1 FT21000I
1 FTS21001BK Component Box 2  
Order below front & rear Performance or Dirt Logic Shocks
2 FTS7190 Performance Front Shocks  
2 FTS7240 Performance Rear Shocks  
2 FTS81014 Dirt Logic 2.25 Front Non Resi  
2 FTS81015 Dirt Logic 2.25 Rear Non Resi  
 
ACCESSORIES

Multiple Front Shock System

1 FTS51001BK 99-06 6” GM K1500 FT51001I
Order below Performance or Dirt Logic shocks
4 FTS7052 Performance Shocks
4 FTS80013 Dirt Logic 2.0 w/Resi
Optional Rear Dirt Logic Shocks
2 FTS80015 Dirt Logic 2.25 w/Resi
Steering Stabilizer
1 FTS8002 99-06 6” K1500 FT8002
Traction Bars
1 FTS61001BK 99-06 6” K1500 XCAB SB FT61001I
 
TRACTION BAR
REAR AXLE TRACTION BARS
Obtain increased traction while reducing axle wrap and driveline vibration with our tubular gusseted Traction Bar system. Proper geometry of the bars allows full travel and articulation of the rear axle without binding.
STEERING
STEERING STABILIZER
Obtain increased steering control and reduce front end shimmy from oversized tires and wheels with our Steering Stabilizer kit. Easy fit, heavy duty bracketry allows for quick installation.
Footnotes
1 Early 2000 Models may require 1999 box kits. If factory transmission crossmember is straight use 2000-05 applications. If factory Transmission Crossmember is curved in an S shape use 1999 applications.
2 Will not fit vehicles with Quadrasteer.
3 Will not fit vehicles with Auto Ride shocks.
5 If vehicle is equipped with factory 17” wheels must use 17” or larger aftermarket wheels.
6 On 2005 and up GMC models use 33/12.50R17 tire w/ 17x8 wheels w/ 4 5/8” BS with minor trimming.
 
BEAUTY
99-06 GM K1500
• 6” PERFORMANCE SYSTEM
• 315/75R16 TIRES 16X10 WHEELS W/4 5/8” BACK SPACING
 
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©2006 Fabtech Performance Suspensions
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