pro comp
Suspension Systems

Ultimate 6" Chevy IFS 4WD System:
chevy/gmc pro comp suspension
  • Ultimate 6" Chevy IFS 4WD System
  • Equal angle suspension engineering
  • Designed to maintain factory track width
  • A true 6" lift w/o adjusting torsion bars
  • Maintains comfortable factory ride
  • Complete with twin-tube gase shocks
  • MX6 suspension packages available
99-06 K1500 4WD p/u w/ Auto Trac (Inc.front CV driveshaft P/N 51246) 6?/5? K1056B K1056BMX 35"X12.50"
99-06 K1500 4WD p/u 6"/5" K1057B (1,*) K1057BMX 35"x12.50"
99-06 K1500 4WD p/u 5?/3? --------- K1095BMX 33"X12.50"
01-06 K1500 HD 4WD p/u 6"/5" K1051B (1,*) K1051BMX 35"X12.50"
00-06 K2500 4WD p/u 6"/5" K1051B (1,*) K1051BMX 35"X12.50"
01-06 K2500 HD 4WD p/u 6"/5" K1051B (1,*) K1051BMX 35"X12.50"
02-06 K2500 4WD/2WD Avalanche 6"/5" K1051B (1) K1051BMX 35"X12.50"
02-06 K1500 4WD Avalanche (Inc.front CV driveshaft P/N 51246) 6?/4? K5072B (*,62) K5072BMX 35"X12.50"
02-04 K1500 avalanche 5?/3? K1052B K1052BMX 33"x12.50"
00-06 2WD 1500HD / 2500HD / 2500 Avalanche 2WD 2500 Suburban / Yukon XL 6"/5" K1051B K1051BMX 35" X 12.50"
00-06 Tahoe/Avalanceh/Yukon/Yukon XL/2WD w/o ride control 6"/5" --------- K1054BMX 35" X 12.50"
99-06 C1500 STD Cab / Extra Cab 7"/4.5" K1077B K1077BMX 35" X 12.50"
04-06 C1500 Crew Cab w/one Piece Driveshaft, 05 GM 1500 models must use 17" diameter rims for front brake caliper clearance 7"/4.5" K1078B K1078BMX 35" X 12.50"
92-98 C1500 Extra cab V8 5"/3.5" K1132B --------- 33" X 12.50"
92-98 C1500 Standard Cab/Extra Cab V6 5"/3.5" K1134B --------- 33" X 12.50"
07-10 Silverado 4WD Stage II 6" --------- 51007BMX ----------------
07-10 Silverdo 4WD Stage I 6" 51007B ----------- ----------------
? Use p/n 51810 exhaust crossover kit for 1500 hd / 2500 / 2500HD w/ 6.0L engine.
? HD models with a one-piece aluminum rear driveshaft will require p/n 95-300b to eliminate rear driveline vibration (sold separately)
1. 51246 CV front driveshaft is required for operation in 4HI at speeds above 25 mph.
Pickups with Duramax diesel and Allison transmission will require Extreme Duty driveline kit p/n 52446.
* 00-05 GM trucks and SUV's with traction control and Borg Warner transfer case 4482 will require front CV driveshaft p/n 51247 or have p/n 51246 shortened by 1".
62. Use of optional multiple shock kit kits are recommended for reduced body roll and improved high speed handling.
Note: To ensure that you receive the correct part for your vehicle please complete the checkout form in its entirety.
Kits w/ES Shocks
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Kits w/MX6 Shocks
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