SELECT YOUR VEHICLE
1
2
3
Collection: Cylinder Assist® Kits & Components
Need more steering power for your rig? PSC’s Cylinder Assist Kits and components are the answer. These kits add a hydraulic assist cylinder to your steering system, giving you the extra muscle you need to turn big tires with ease—on the trail or in the rocks. Each kit includes everything you need for a clean, reliable install, and every component is engineered and tested to handle the toughest conditions.
Whether you’re wheeling a Jeep, buggy, or custom build, Cylinder Assist® is the perfect upgrade for better control and less driver fatigue.
-
Cylinder Assist® Steering Kit – Jeep Wrangler JL/JT 3.6L (2018-2024)
Regular price From $2,519.51Regular priceSale price From $2,519.51 -
BIG BORE XD® Cylinder Assist® Steering Kit – Jeep Wrangler JK 3.6L (2012-2018)
Regular price From $3,198.50Regular priceSale price From $3,198.50 -
BIG BORE XD® Cylinder Assist® Steering Kit – Jeep Wrangler JL/Gladiator JT 3.6L (2020+)
Regular price From $3,523.50Regular priceSale price From $3,523.50 -
BIG BORE XD® DDS® Steering System – Ford F-450 Super Duty 4WD (2023–2024)
Regular price $4,750.00Regular priceSale price $4,750.00 -
BIG BORE XD® Cylinder Assist® System - Jeep Wrangler TJ/LJ 4.0L (2003-2006)
Regular price From $2,730.00Regular priceSale price From $2,730.00 -
BIG BORE XD® Cylinder Assist® Steering Kit – Jeep Wrangler JL 3.6L (2018+)
Regular price From $3,543.50Regular priceSale price From $3,543.50 -
BIG BORE XD® Cylinder Assist® Steering Kit – Jeep Wrangler JK/JKU 3.8L (2007–2011)
Regular price From $3,198.50Regular priceSale price From $3,198.50 -
Adventure Steering Kit – Jeep Wrangler JK 3.6L (2012–2018)
Regular price $2,698.88Regular priceSale price $2,698.88 -
BIG BORE XD® Cylinder Assist® Kit – RAM 2500 / 3500 (2009–2013) – Weld-On
Regular price $1,720.00Regular priceSale price $1,720.00 -
BIG BORE XD® Cylinder Assist® Kit - RAM 2500 / 3500 (2014-2024) - Bolt-On Installation
Regular price $1,760.99Regular priceSale price $1,760.99 -
BIG BORE XD® Cylinder Assist® Kit – Jeep Wrangler JL/Gladiator JT 3.6L (2020+)
Regular price $2,730.00Regular priceSale price $2,730.00 -
BIG BORE XD® Cylinder Assist® Kit – GM 2500 / 3500 4WD – Straight Axle Conversion
Regular price From $2,271.99Regular priceSale price From $2,271.99 -
BIG BORE XD® Cylinder Assist® Steering Kit - Ford F-250/F-350 Super Duty (2005-07/2007)
Regular price $1,805.00Regular priceSale price $1,805.00 -
BIG BORE XD® Cylinder Assist® Steering Kit – Jeep Wrangler YJ (1987–1989)
Regular price $2,713.00Regular priceSale price $2,713.00 -
Cylinder Assist® EHPS Steering Kits – Jeep Wrangler JL (2018+)
Regular price From $3,469.51Regular priceSale price From $3,469.51 -
Cylinder Assist® EHPS Kit – Jeep Wrangler JL/JT (2018+)
Regular price From $2,519.51Regular priceSale price From $2,519.51