Silverado 3500 HD

The aluminum bodied Performance Series 2.0 Reservoir smooth body shock delivers FOX's industry leading and race dominating performance in an affordable, hassle-free bolt on package. Its heat reducing design includes a metal impacted clear anodized...

The aluminum bodied Performance Series 2.0 Reservoir smooth body shock delivers FOX's industry leading and race dominating performance in an affordable, hassle-free bolt on package. Its heat reducing design includes a metal impacted clear anodized...

The Cognito Alloy Series Tie Rod kit is a Heavy-Duty stock replacement upgrade where the inner joint incorporates an oversized alloy ball and socket. Sold as a Pair. Made in the USA.FeaturesAlloy Series Tie Rod Kit Significantly stronger than...

The aluminum bodied Performance Series 2.0 Reservoir smooth body shock delivers FOX's industry leading and race dominating performance in an affordable, hassle-free bolt on package. Its heat reducing design includes a metal impacted clear anodized...

The aluminum bodied Performance Series 2.0 Reservoir smooth body shock delivers FOX's industry leading and race dominating performance in an affordable, hassle-free bolt on package. Its heat reducing design includes a metal impacted clear anodized...

The aluminum bodied Performance Series 2.0 Reservoir smooth body shock delivers FOX's industry leading and race dominating performance in an affordable, hassle-free bolt on package. Its heat reducing design includes a metal impacted clear anodized...

This new system uses the popular Zone Adventure Series boxed steel upper control arm design along with traditional torsion key technology in order to gain 3" of lift. By using the new fabricated arms, equipped with factory style ball joints and rubber...

Cognito CV Front Driveline Kit For 7-9 Inch 10-12 Inch Lifts On 17-19 Silverado/Sierra 2500HD/3500HD Duramax. This direct bolt in driveline features a 1310 series double cardan CV and it is made in the USA. This kit includes the Cognito Allison...

This traction bar kit is a direct fit for 6.5-10 Inch of rear lift.Designed to help prevent axle wrap this traction bar kit features FK rod ends at the axle and polyurethane bushings at the frame. Durable semi-gloss black powder coat finish. Made in the...

This traction bar kit is a direct fit for 0 to 6 Inch of rear lift.Designed to help prevent axle wrap this traction bar kit features FK rod ends at the axle and polyurethane bushings at the frame. Durable semi-gloss black powder coat finish. Made in the...

Up to 5,000 lbs. of load-leveling capacityEliminates squat, trailer sway, rough ride and bottoming outFits many 3/4 ton and 1 ton pickups and vansNotesFits single rear wheel (SRW) and dual rear wheel (DRW) models. Will fit most side mount fifth wheel...

These new upper control arms are direct replacements for the factory arms, offering improved suspension travel and ride quality over the factory control arm design.Our heavy duty, boxed steel upper control arms are made from fully welded 1/8" steel plate...