1988-1998 Chevrolet C1500 2WD Rear Lift Blocks with Premium Forged Flat Top U-Bolts TRX450 Stud Size: M12 x 1

Stud Size: M12 x 1

in accordance with ASTM B117 testing

Supreme Upper Control Arms are designed and crafted from Max Strength carbon-steel and fitted with high density polyurethane bushings

Hub Centric Design 5 x 120mm Bolt Pattern and 66

Our PRO-Billet Spring Spacers are precision CNC machined from SOLID T6 Aircraft-Grade Billet Aluminum

1988-1998 Chevrolet C1500 2WD Rear Lift Blocks with Premium Forged Flat Top U-Bolts TRX450 Stud Size: M12 x 12x Rear Lift Blocks with 9 16" Single Pin 4x Premium Forged Flat Top U Bolts Installation Hardware We are proud to introduce our New Heavy Duty Steel Lift Blocks, precision engineered by our experts not only to lift your truck but to improve your ride quality and comfort as well as lifetime use. The 1" Heavy Duty Steel Blocks are constructed from one solid block of Steel, while the 1. 5", 2" and 3" Rear Lift Blocks are precision machined from ONE 1 4"