Swift Spring 6 Inch Length, 5 Inch Outer Diameter Right Rear Size:175 The increase in spring rate

The increase in spring rate is based on the upper limits of the vehicles factory shock valving

Comes with an adjustable lock nut giving you the ability to lock out the lower bump spring at the compression of your choosing allowing for a fully customizable true dual rate bump spring setup

20" free length

Mishimoto's large dual pass oil cooler will help keep temperatures in check while you shoot for the podium finish

7 kg/mm (430lbs/in)

Swift Spring 6 Inch Length, 5 Inch Outer Diameter Right Rear Size:175 The increase in spring rateSpecial 6 inch right rear spring used on the right rear corner of Dirt Modifieds. Rates from 175lbs to 250lb in 25lbs increments.