Cognito Motorsports Truck 3 Degree Rear Pinion Angle Shim Kit For 99-18 Silverado/Sierra 1500 01-10 Silverado/Sierra 1500HD-3500HD 01-13 GM 2500 SUVS 210-90467 automatic internal components high-efficiency all-aluminum end tanks -

high-efficiency all-aluminum end tanks - a wide-open inlet and outlet - a 20 percent thicker core area with a 27 percent improvement in volume - and a colossal super-flow Monster-Ram intake manifold

Shock body: 2

Polished finish for a custom engine bay look

Angled rolled end – stylish and aerodynamic design

Cognito Motorsports Truck 3 Degree Rear Pinion Angle Shim Kit For 99-18 Silverado/Sierra 1500 01-10 Silverado/Sierra 1500HD-3500HD 01-13 GM 2500 SUVS 210-90467 automatic internal components high-efficiency all-aluminum end tanks -3 Degree Rear Pinion Angle Shim Kit for 99 18 Chevrolet and GMC 1500 trucks, 01 10 GM 1500HD 2500 2500HD 3500 3500HD 2WD 4WD trucks and 01 13 GM 2500 2WD 4WD SUVs. Used with short wheel base trucks with tall lift where no tapered blocks were available. Includes 2 shims and 2 center pins to bolt shims to leaf packs. Use for single cab trucks or extended cab short bed, with 4 6 Inch rear lift that has no pinion angle change such as spring Only or