GMC Jimmy K5 SUV 1974 - 1994 Colorado The exact amount will depend

The exact amount will depend on multiple factors such as vehicle size

This RoadActive Suspension Kit includes an easy to install RAS Light Duty Spring for each rear leaf spring

* This part is currently on a 4-6 week back order

RoadActive Suspension kit includes an easy to install RAS Heavy Duty Helper Springs for each rear leaf spring

GMC Jimmy K5 SUV 1974 - 1994 Colorado The exact amount will dependKit includes an easy to install RAS Standard Duty Spring for each rear leaf spring. RoadActive Suspension kits are designed to strengthen the rear leaf springs for towing or hauling without negatively affecting unloaded ride quality. This kit will reduce rear bounce and squat when loaded while significantly improving stability, handling and performance at all times. Estimated install time is 1 hour.