Sierra 3500 HD

The all-new redesigned GM 2500-3500HD is sure to turn heads with the most dramatic change that GM has ever done.  This started from the ground up with the most dynamic styling change of any GM Heavy-duty pickup truck.Take this all-new GM 2500HD-3500HD to...

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...

ICON Vehicle Specific (V.S.) 2.0 Aluminum Series shock absorbers are the ultimate in cost effective upgrades, specifically tailored by ICON engineers for your application. The V.S. 2.0 Aluminum Series shocks are a high quality upgrade for the everyday...

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...

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 vansUp to 5,000 lbs. of load-leveling capacityEliminates squat, trailer sway, rough ride and bottoming outFits...

Fits as stock replacement or leveled and lifted applications where an upgrade is desired to provide better performance, style, and function.The Cognito Ball Joint SM Series Upper Control Arms add style, function, and performance to your vehicle by...

Increase wheel travel by upgrading the stock OE upper control arms (UCA) on your Chevy Silverado or GMC Sierra 2500 HD/3500 HD to BDS performance. Specially designed for leveled and lifted applications these arms are built from high-strength 1.5-inch OD...

Is your truck your workhorse? The main attraction to the pick-up line is the accessibility to haul and tow as desired. However, due to the amount of weight in the bed, or the condition of the vehicle's rear leaf springs, this can cause the vehicle to be...

This control arm kit is a 'Builders Kit' meaning the control arms are raw and un-assembled so a builder can custom powder coat the arms and then assemble them, rather than purchase black powder coated and assembled control arms and risk damaging bushings...

We've bundled everything you need in a leveling kit for your 20-21 Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components. There's no guesswork.The Cognito Standard upper control arms are built with a modified ball joint angle to...