Control Arms & Castors

2005 - 2010 Ford 6.0L & 6.4L Powerstroke

2011 - 2022 Ford 6.7L Powerstroke

Cognito's heavy duty boxed uni-ball upper control arms for your 2011-2019 GMC/Chevy Duramax 6.6L 2/4WD 2500HD/3500HD truck with the LML/L5P motor.

Cognito's heavy duty boxed uni-ball upper control arms for your 2020-2022 GMC/Chevy Duramax 6.6L 2/4WD 2500HD/3500HD truck with the L5P motor.

ReadyLift Extreme Duty Fabricated Upper Control Arms is designed to minimize maintenance and provided maximum durability for your 2011-2019 GMC/Chevy 6.6L Duramax truck.

Cognito's Ball Joint Upper Control Arm Kit for your GMC/Chevy 2020-2022 2500hd/3500hd 2WD/4WD L5P

Cognito Motorsports Boxed Upper Control Arm Kit for your GMC/Chevy 2001-2010 2500hd/3500hd 2WD/4WD

The Cognito Control Arm Pivot Bushing that will replace the worn-out control arm bushing in your Control Arm Kit

Cognito SM Series Radius Arm Kit for your Ford 2005-2022 F250/350 4WD and 2017-2019 F450 4WD

Cognito Motorsports Standard Upper Control Arm Kit for your GMC/Chevy Sierra/Silverado 3.0L LM2 Duramax truck.

Cognito Motorsports Uniball SM Series Upper Control Arm Kit for your GMC/Chevy Sierra/Silverado 3.0L LM2 Duramax truck.

Cognito Polyurethane Bushing Kit for Cognito Upper Control Arms on 01-10 GM 1500HD/2500/2500HD/3500/3500HD 2WD/4WD trucks

The Cognito 199-91161 Upper Control Arm Bushing Kit that will replace the worn-out control arm bushing in your 2011-2019 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD.

2019-2022 GMC/Chevy Duramax 3.0L 2/4WD 1500 LM2 - Made specifically for leveled and lifted applications but also applicable on stock trucks where an upgrade is desired to provide better performance, style, and function. SM series ball joints are included as well as new polyurethane crush sleeves and bushings.

2011-2019 GMC/Chevy Duramax 6.6L 2/4WD 2500HD/3500HD LML & L5P - made for stock replacement or leveled and lifted applications where an upgrade is desired to provide better performance, style, and function. Alloy series ball joints are included as well as new crush sleeves and polyurethane bushings.

2020-2022 GMC/Chevy Duramax 6.6L 2/4WD 2500HD/3500HD L5P - Made specifically for leveled and lifted applications but also applicable on stock trucks where an upgrade is desired to provide better performance, style, and function. SM series ball joints are included as well as new polyurethane crush sleeves and bushings.

The Kryptonite Upper Control Arm Kit KRUCA11 will enhance the suspension in front of your GM Silverado/Sierra 2500HD/3500HD. These upper control arms are manufactured from laser-cut steel that is machine-formed and precision welded for supreme strength. These UCAs will improve the ride of most leveled or lifted as well as a great upgrade for your stock-height pickup.

ReadyLift's 77-27700 Tubular Radius Arm Kit will help correct the caster angle in your lifted 2017-2022 Ford 6.7L Powerstroke truck. These Radius Arms are heavy duty and are designed and manufactured to handle the use and abuse demanded out of your Super Duty truck.

Lift your 2010-2013 Ram 2500/3500 6.7L Diesel 4WD with the Synergy 8502-13 3" Pre-Run Lift Kit Suspension System. The Synergy MFG Suspension Systems use a synergistic approach, meaning the combined effect of the components is greater than the sum of the individual parts.

Improve the suspension geometry when lifting or leveling your 2005-2023 Ford F-250/350 4WD with the Synergy 8612-24 Caster Sleeves. These sleeves are highly recommended when lifting or leveling your Truck.

The Synergy 7625-00 Heavy Duty Steering Kit for your 2005-2024 Ford F-450/550 Super Duty was designed with the end user in mind. The tie rod and drag link will bolt directly into the stock location for an immediate upgrade in steering feel and strength.

The Synergy 8704-11 Heavy-Duty Adjustable Front Track Bar allows you to recenter the axle in your lifted Ram 2500/3500 4WD. This Heavy Duty Adjustable Front Track Bar is a crucial component to correct axle location and achieve perfect suspension geometry after installing a lift kit.

The Synergy 8553-01 Adjustable Front Upper Control Arms to enhance the ride of your 1994-2013 Dodge Ram 1500/2500/3500 4WD. These Front Upper Control Arms are a Heavy-Duty upgrade over the OEM Dodge Ram control arms. These control arms are adjustable, allowing you to correct the caster and re-center the front axle housing for oversize tires and greater ride heights.

Take control of your suspension on your 2010-2013 Dodge Ram 2500/3500 with the Synergy 8531-03 Adjustable Control Arm Kit. This control arm kit is designed for correcting caster and pinion angle on Dodge trucks that have been leveled or lifted. Kits include extended, fixed length, lower control arms or adjustable lower control arms, adjustable upper control arms, and stepped cam bolt eliminators designed exclusively for Synergy's Dual Durometer Bushings (DDB).

Increase the strength of your 1994-2009 Dodge Ram 2500/3500 4WD with the Synergy 8565-02 16MM Cam Bolt Eliminator Kit. These stepped cam bolt eliminators are designed specifically for use with our Dodge front lower control arms featuring Dual Durometer Bushings (DDB).

Increase the strength of your 2010-2013 Dodge Ram 2500/3500 4WD with the Synergy 8565-03 18MM Cam Bolt Eliminator Kit. These stepped cam bolt eliminators are designed specifically for use with our Dodge front lower control arms featuring Dual Durometer Bushings (DDB). These will also work with control arms featuring stock-style Clevite bushings.

Get the Synergy 8531-02 Adjustable Control Arm Kit and take control of the suspension in your 1994-2009 Dodge Ram 2500/3500. These control arm kits are designed for correcting caster and pinion angle on Dodge trucks that have been leveled or lifted. Kits include extended, fixed length, lower control arms or adjustable lower control arms, adjustable upper control arms, and stepped cam bolt eliminators designed exclusively for Synergy's Dual Durometer Bushings (DDB).

This replacement bushing kit is designed for the BDS 2003-2013 Dodge Ram 2500 or 3500 long arm control arms. These polyurethane bushings are fluted for even distribution and include the sleeves to freshen up your Dodge when and if the time ever comes. Kit includes 16 bushing halves and 8 sleeves for quick and easy installation

Reduce suspension angles on your 2003-2013 Dodge Ram 2500/3500 4WD with the Synergy 8583-04 Front Lower Adjustable Control Arm Kit. A long-arm suspension upgrade involves using longer control arms that mount further back on the vehicle to reduce suspension angles and bring the truck closer to the stock geometry.

Improve the suspension geometry of your 2003-2013 Dodge Ram 2500/3500 4WD with the Synergy 8581 Front Long Arm Frame Brackets. The Synergy Long Arm brackets are designed to improve your truck's suspension geometry while off-roading.

Upgrade the suspension on your 2003-2013 Dodge Ram 2500/3500 4WD with the Synergy 8585 Front Upper Control Long Arm Set A long-arm suspension upgrade involves using longer control arms that mount further back on the vehicle to reduce suspension angles and bring the truck closer to the stock geometry.

Upgrade the ball joints on your 2003-2013 Dodge Ram 2500/3500 4WD with the Synergy 4123 Heavy-Duty Adjustable Ball Joint Kit (Non-Knurled). After 5 years of development and over 100,000 test miles the Synergy Heavy-Duty Adjustable Ram Ball Joints are here! This is the last set of ball joints you will ever have to buy.

The Synergy 8580-04 Long Arm Upgrade Kit is designed to improve your 2003-2013 Dodge Ram 2500/3500 suspension geometry while off-roading. Shorter control arm angles are hard on a vehicle's suspension components which leads to poor vehicle handling, limited suspension travel, and an overall bumpy ride as the shocks produce a choppy movement as you drive.

Upgrade your GM Silverado/Sierra 2500HD/3500HD truck's suspension with the Kryptonite Cam Bolt Kit KR86376. Designed to replace worn or broken cam bolts, this kit ensures your vehicle maintains proper wheel alignment, which is crucial for extending the tread life of your tires.

The Kryptonite Caster Shim Set (2 Degree) KR23228 will help align the front end of your Ford Super Duty. When leveling your F250/F350 between 2" and 2.5", the caster can be reduced by up to 1 degree. To maintain proper caster alignment and ensure proper tracking and drivability with oversized tires, adding these 2-degree shims is necessary.

The Kryptonite Stage 2 Leveling Kit KR10STAGE2 allows you to install up to a 32" tire on your GM Silverado/Sierra 2500HD/3500HD. This leveling kit is made with pride here in small town USA and features Kryptonite Upper Control arms that are laser cut and welded into an extremely strong boxed design. The Kryptonite control arms are a fantastic upgrade for a leveled or lifted heavy-duty truck but is also a great upgrade for your stock ride-height truck.

The Kryptonite Idler Support Frame Gusset KRGUSSET10 is designed to stop frame flex at the factory idler support on your GM Silverado/Sierra 2500HD/3500HD. The heavy-duty GM trucks' extreme demands are the reason behind the design of this gusset.

Upgrade your Chevy Silverado/GMC Sierra 2500HD/3500HD suspension with the Kryptonite Cam Bolt Kit KR0026. Designed to replace worn or broken cam bolts, this kit ensures your vehicle maintains proper wheel alignment, which is crucial for extending the tread life of your tires. Featuring a superior top lock with a Nord-Lock style flange nut, our cam bolt kit provides unmatched stability and performance.

The Kryptonite Upper Control Arm Bushings KRBUCA10 are an excellent way to rebuild the UCAs on your GM Silverado/Sierra 2500HD/3500HD. Replace the sloppy or failed Kryptonite or Cognito upper control arm bushings in your pickup with a premium blend polyurethane direct-fit replacement kit.

The Kryptonite Upper Control Arm Bushings KRBUCA11 are a great way to restore the UCAs on your GM Silverado/Sierra 2500HD/3500HD. Replace the damaged or worn-out Kryptonite or Cognito upper control arm bushings in your truck with this premium blend polyurethane replacement kit.