Add a leafs to lift the rear of your GM vehicle by Cognito. For use with stock leaf spring packs. This add a leaf can not be used with our Deaver Springs. Applications for Chevy, GMC 6lug and 8lug Trucks. 1999-2011 1500 Chevrolet, GMC 6lug truck & 2001-2010 1500HD, 2500, 2500HD, 3500, 3500HD Chevrolet, GMC 8lug truck & SUV's.

Cognito air bag kits are built with an upper cross-member & heavy duty lower bracketry to offer strength tieing into both sides of the frame. Air Bag systems are available for 2001-2010 Chevrolet, GMC 1500HD, 2500, 2500HD, 3500, 3500HD 8lug trucks. Also available is an Electronic height control system for automatic leveling air bags. (sold separate). Helper air bags for GM trucks.

Cognito Motorsports Apparel. Cognito Shirts & Hats. All shirts and hats come in black and have a logo as specified on actual apparel item pictured.

Axle shims by Cognito help correct the pinion angle after lifting the rear of your vehicle with an aftermarket leaf spring setup. 2.0, 4.0, 6.0 axle shims are available. Place axle shims between the leaf spring and the axle to correct help correct pinion angles.

Ball joint replacements for Cognito Ball Joint style Upper Control Arms and Ball Joints for UTV's. Introducing Cognito new Alloy Series Upper ball joints for GM vehicles with Cognito A Arms. MADE IN THE USA! Please see product pages for details.

Block Kits with U-bolts by Cognito. These block kits will help you obtain the desired lift height for the rear of your Chevrolet, GMC 6lug or 8lug vehicle. Silverado, Sierra, Avalanche 2500, Suburban 2500, Yukon XL 2500. Cognito blocks come in both tapered or straight applications. Block Kits include 1 pair of blocks and a set of 4 u-bolts. Blocks available in 1", 2", 2.5", 3", 3.5", 4", 5" and 6" sizes.

Steel braided extended brake lines by Cognito Motorsports. All Cognito brake lines come standard with a transparent smoked black UV coating. Extended braided Brake lines are sold individually unless otherwise specified on the product page for your application. Applicaions available for Cadillac, Chevrolet, GMC 6lug & 8lug Trucks & SUV. These brake lines will give you the length needed to repair or extend your factory lines when installing an aftermarket lifted suspension system, as they may be too short.

Carrier Bearing products by Cognito. Carrier Bearing Spacers, etc...for Chevy and GMC vehicles.

Coilovers by Cognito. These Fox coilovers are built exclusive for Cognito applications with droop and bump travel stops built in. Valved to our specs, these coilover shocks give you the best in ride quality for your 2007, 2008, 2009, 2010 & 2011 Cadillac, Chevrolet & GMC 1500 6lug truck or SUV. Available for leveling and for Cognito 7", and 10" lift kits. All Fox coilovers include Cognito reservoir mounts. Coilover Shocks available in Black/Cad or Black/Chrome finish.

CV Drivelines for use with Cognito Suspension lifts. Use these front drivelines for autotrac or to go over 20 MPH in 4wd on 4wd GM 6lug and 8lug trucks. All 6 speed allison transmissions running this CV driveshaft will require TRANS-BRACKET-ALLISON to clear the bigger CV head on the aftermarket driveline. CV Driveline Applications for: Cadillac, Chevrolet, GMC 1999-2011 1500 Trucks. 2000-2006 1500 SUV's. 2001-2011 1500HD, 2500, 2500HD, 3500, 3500HD 8lug trucks & SUV's.

Front Differential fix by Cognito. This 2001-2010 Chevrolet / GMC 1500HD, 2500, 2500HD, 3500, 3500HD 8lug front Differential Mount Conversion Bracket kit can be used to fix the factory ear if it has been cut off of the front differential. Using this bracket to put the ear back on the front differential will allow you to return the vehicle back to stock and bolt the front differential back to the factory mount on the frame. This kit will not work on a Hummer H2 front differential.

Dual Shock Hoops by Cognito, Applications for 1999-2006 GM 6lug trucks, 2000-2006 GM 6lug SUV's & 2001-2010 GM 8lug including, 1500, 1500HD, 2500, 2500HD, 3500, 3500HD & Hummer H2. Dual Shock Hoop Shock specs. 19" Extended max length, 12.5" compressed length.

Cognito Front Suspension Lift Kits. These are your front suspension parts. Spindles, crossmembers, compression struts, etc. Complete suspension lift kits are found under the "Lift Kit package" section. Here you will find all of our IFS Suspension front box kits for trucks & SUV's.

Idler Pivot Assembly with weld in gusset by Cognito. The Cognito Motorsports pitman idler arm support kit takes care of the issues with the centerlink side of the pitman and idler arms. There is however another weak link in the front IFS steering on the 1500 6lug and 1500HD, 2500, 2500HD, 3500, 3500HD 8lug Cadillac, Chevy, GMC vehicles. The idler pivot assembly tends to wear out, bend, and even break under stress. This kit includes a stronger idler pivot with roller bearings vs the stock unit with bronze bushings which are known for failure. Includes weld in gusset to strengthen the tabs that hold the idler in place. Also available for Hummer H2.

Kawasaki Teryx Long Travel Kits by Cognito Motorsports. Fits 2008, 2009, 2010, 2011. Suspension Available with non adjustable, RC2 adjustable or Bottom out cup (BOC) Fox Piggyback Coilover shocks. All teryx long travel shocks are valved to Cognito specs.

Leaf Springs by Cognito. 4 Inch Leaf Springs, 6 Inch Leaf Springs and 8 Inch Spring packs Avaialble. For the best ride in leaf spring technology, look no further than Deaver springs. Applications for Chevrolet, GMC 6lug 1500 Trucks & 8lug 2500, 2500HD, 3500, 3500HD, 3500HD Dually Trucks. Note, Deaver leaf springs are sold individually!

Leveling kits by Cognito. Our Upper control arm leveling kits add down travel which is needed to maintain a quality ride after leveling out your vehicle. These upper control arm leveling systems also help correct the upper balljoint angle to properly align the vehicle. An increase in caster built into the arm improves handling on Chevrolet, GMC, Hummer H2 8lug applications. Bolt in balljoints included for ease of installation. Uniball versions also available. Strut Spacer, Torsion key & Coil Spacer Leveling kits for Cadillac, Chevrolet, GMC 1500 6lug, 1500HD, 2500, 2500HD, 3500, 3500HD & Hummer H2 8lug. Now Available! Dodge Ram, Ford F150, Ford Superduty, Jeep Jk, Nissan Titan, Nissan Armada, Toyota Tacoma & Toyota Tundra Leveling kit applications. Looking for the best ride quality and want to level your vehicle? Choose Cognito Leveling Kits!

Lift Blocks by Cognito will help you obtain the desired lift height for the rear of your Chevrolet, GMC 6lug or 8lug vehicle. Cognito lift blocks come in both tapered or straight applications. Block Lift sizes available in: 1 Inch, 1.5 Inch, 2 Inch, 2.5 Inch, 3 Inch, 3.5 Inch, 4 Inch, 5 Inch, 6 Inch. U-bolts sold separately. Blocks sold individually! Please see lift block description for size and fitment.

Lift kit Suspension packages by Cognito. If you dont see a lift package set up the way you want. Feel free to give us a call. All Cognito parts are available separate to build a kit for that custom look you want. Additional Drivelines and swaybars may be required. Please see product description for details. 4 Inch, 7 Inch and 10 Inch Lift Kits available for Most Cadillac, Chevrolet, GMC, Hummer H2 vehicles. This section is currently under construction and is being updated with more Suspension Lift Kits daily.

Limit Straps, Adjustable, by Cognito, Cadillac, Chevy, GMC, Hummer H2

Pitman Arm And Idler Arm Support Kit by Cognito. Recommended for stock height vehicles as well as lifted vehicles with the Steering in the stock location. This steering support kit braces the Pitman arm and Idler Arm to help hold an accurate alignment toe setting. A factory design flaw on your Cadillac, Chevrolet, GMC 6lug & 8lug steering allows the pitman arms and idler arms to wear prematurely which creates steering play. Toe changes are a thing of the past. This Pitman arm & Idler Arm support kit prevents the centerlink from rocking forward and backward in the vehicle. This innovative steering upgrade design is so unique that it obtained a UTILITY PATENT. **UTILITY PATENT US 7,475,891 B2**

Polaris RZR XP shocks & Polaris RZR XP Sway Bars by Cognito Motorsports.

Cognito Motorsports replacement products: Balljoints, adjustable limit strap kits, carrier bearing spacers and other misc items

Shock Clamps for 2.0 Fox reservoir shocks by Cognito. Clamps available in black anodized finish. Shock Clamps sold individually. 1 or 2 shock clamps can be used per shock.

Shock Extenders by Cognito. Shock Extenders sold as a Pair. This shock extension product will give you the correct shock length to run with torsion key leveling kits, or Cognito Upper Control Arm Kits. You are being robbed of wheel travel on your factory suspension. Shock Mounts for: 2001-2011 GMC Sierra/ Chevrolet Silverado 8lug, 1500HD, 2500, 2500HD, 3500, 3500HD, Hummer H2, vehicles. Lower Shock extenders come standard in black. Upper shock extenders finish varies by application. Please see item description for info on shock extenders for your vehicle.

Many Cognito Shocks are exclusive to us. These Bilstein & Fox shocks are valved to our specs and built to the correct length to give you the best ride quality available on your 6lug or 8lug Cadillac, Chevrolet, GMC vehicle. We have a wide range of truck & SUV shock absorbers. Now available exclusively from Cognito, Polaris RZR XP shocks.

Struts for leveling and lifting 2007, 2008, 2009, 2010, 2011 Cadillac, Chevrolet, GMC 1500 6lug Vehicles by Cognito. Snapring adjustable shocks. Uses factory coil spring. These shocks and struts are valved to our specs for ride quality. If you have a question as to whether these will work with your lift kit, please send us an email.

Rear Suspension Lift Kits for SUV's by Cognito. Cadillac, Chevrolet, GMC 6lug 1500 SUV Rear Lift kits. Rear Suspension Lift Kits also available for Hummer H2. Long arm Rear Suspension available for some Lift Kit applications.

Tired of breaking your sway bar links? A Cognito Heavy Duty link kit is the perfect fix for your factory sway bar end links which are known to fail. We use a clevis in the lower control arm which allows the link to pivot, which takes some of the angle off of the lower link. If you have another manufacturers lift, we can fix your kit also. Let us know what size you need. Applications for 2001-2011 GMC 8lug Chevrolet & GMC Trucks. Silverado, Sierra, 2500 Suburban, 2500, Yukon XL, 2500 Avalanche.

Sway bars by Cognito Motorsports. Applications for Cadillac Escalade, Chevrolet (Avalanche, Silverado, Suburban, Tahoe), GMC (Sierra, Yukon) 1500, 1500HD, 2500, 2500HD, 3500, 3500HD, Hummer H2. The addition of a Cognito Sway Bar can drastically improve handling & are recommended for safety on larger suspension lift kits. Now available for Polaris RZR XP.

Tie rod steering kit for 1500HD, 2500, 2500HD, 3500, 3500HD Chevy, GMC 8lug vehicles. No more bending weak stock tie rod ends. Available in Heavy duty heim jointed style or OE CMS Alloy style. Perfect for stock or leveled suspension as well as lifted suspension. Tie rods may require the use of our HD sway bar end links to ensure proper clearance between the swaybar and our larger heavy duty tie rod ends. When you are looking to replace a tie rod with something stronger than factory, Choose Cognito!

Torsion keys by Cognito. These aftermarket forged re-clocked torsion bar keys by Cognito Motorsports will help get the front end of your Cadillac, Chevy, GMC vehicle to the desired level. Cognito keys are forged for strength and come as a pair. Applications available for Chevrolet, GMC 1500 6lug and 1500HD, 2500, 2500HD, 3500, 3500HD 8lug vehicles. Includes 1 pair of Torsion keys and installation instructions. Shock extenders available (sold separate)

Traction Bars by Cognito available in both economy style 50" and 60" versions (Single tube traction bars), as well as custom 60" (Ladder style traction bars). Use these ladder bars to help eliminate axle wrap to keep traction and help eliminate wheel hop. 60" Custom ladder style traction bars only recommended for 10" lift kits due to clearance. Traction Bars available for Chevrolet Silverado, GMC Sierra 1500, 1500HD, 2500, 2500HD, 3500, 3500HD. Traction bars sold as a pair and come standard in black Powder coat finish.

Trimmline leveling kits by Cognito Motorsports is our newest product line to the market. Many new leveling Kits for Dodge, GM, Infinity, Ford, Nissan, Toyota. Trimmline Lift Kits coming soon.

U-bolts for Chevy, GMC 1500 6lug Trucks & 1500HD, 2500, 2500HD, 3500, 3500HD, Dually 8lug trucks & SUV's by Cognito. U-bolts sold Individually! Each u-bolt will include washers and nuts.

Upper Control Arms are designed to help correct the upper balljoint angle on torsion key cranked or lifted applications. Upper Control Arm kits available in uniball or balljoint style as well as with or without dual shock mounts. Balljoint upper control arms can also be used at stock height as a stock replacement arm to eliminate factory press in balljoints which are prone to popping out of the factory upper control arms. These upper control arm kits Include bolt in balljoints or uniballs depending on the application you choose. Each upper control arm kit has poly bushings at the pivot points. Applications for 1500, 1500HD, 2500, 2500HD, 3500, 3500HD, Hummer H2 Cadillac, Chevrolet, GMC vehicles.

Wheel Spacers by Cognito. Applications for Chevrolet / GMC 8lug Trucks & SUV's, Including 1500HD, 2500, 2500HD, 3500, 3500HD & Hummer H2. Wheel spacers sold as a pair. Use these wheel spacers to widen your rear track width.

Yamaha Rhino Long Travel Kits by Cognito features boxed load arms and tubular carrier arms. Standard in black powder coat finish. Our Yamaha Rhino long travel kits feature shocks dialed in to Cognito specs, tested with Fox Racing Shox. Available with standard piggyback shocks, RC2 Adjustable, or (BOC) bottom out cup shocks. The BOC setup is the ultimate in Rhino long travel suspension.

Yamaha Rhino spindles - Fabricated by Cognito. Replace your factory cast unit which is known for failure.

A-arms by Cognito. Tubular A-Arms & Boxed A-Arms for Cadillac Escalade, Chevrolet (Silverado, Avalanche, Suburban, Tahoe), GMC (Sierra, Yukon) 1500, 1500HD, 2500, 2500HD, 3500, 3500HD, Hummer H2. Uni ball style control arms and balljoint style available. Upper Arms sold as a pair with needed hardware for install. All kits come standard in black powder coat finish. For the best in a-arm suspension upgrades, Choose Cognito! Polaris UTV A-Arms coming soon!

Air Bag for GM trucks by Cognito

Air Bags for GM trucks by Cognito

Dodge Leveling Kits. 2" Leveling Kit for Dodge Ram 6-lug & 8-lug Trucks by Trimmline / Cognito. Use a trimmline kit to level out your Dodge and eliminate the factory rake.

End Links by Cognito. In this section, you will find front sway bar links. Our Heavy duty links use a clevis in the lower a arm. This helps protect the lower end of the link from getting too much angle which can cause breakage. End links come in pairs. 1 kit needed per vehicle. Cognito motorsports also has links for rear sway bars for SUV's. Cognito recommends upgrading your links any time you add a Cognito aftermarket sway bar. If you have a question about fitmant for your lift. Please measure end to end from bottom of sway bar to top of lower control arm and let us know that measurement is and we can suggest the proper end links for your application

Ford Leveling Kits for F-150, F-250, F-350 by Trimmline / Cognito. These Ford leveling kits will help eliminate the factory rake on your vehicle.

Infinity Leveling Kits by Trimmline, Cognito

Jeep Leveling Kits by Trimmline / Cognito. Use this leveling kit to eliminate the factory rake on your Jeep.

Nissan Leveling Kits by Trimmline / Cognito. Leveling kits for Nissan Titan and Armada.

Shock mount kits for GM 6lug and 8lug trucks by Cognito. These Chevy and GMC Shock mounts can be added to your vehicle to have a more custom look allowing you to mount the rear shocks in a parallel fashion instead of having one shock in front of the axle and one in the rear. Shock mounts sold as a kit. Please see description for individual items for mounting applications. We have mounts to run parralel single shocks as well as dual mounts to run 2 shocks parralel per side. Used on the rear of your vehicle. If you are looking for front lower shock mounts. Please see our shock extender section.

Steering fix's and steering assembly kits by Cognito. If you are in need of steering repair, chances are Cognito has a kit in this section to remedy your Cadillac, Chevy, GMC or Hummer H2 steering problems. Pitman Arm, Idler Arm and Tie Rod Steering kits listed in this section. Steering system packages available as well as replacement parts for your cognito steering upgrades. Cognito specializes in GMC and Chevy steering upgrades.

Toyota Leveling Kits by Trimmline / Cognito. Use these kits to level out your toyota tacoma or FJ. These leveling kits will help eliminate the factory rake on your toyota.