Upgrade your Cummins valve springs and retainers with our Fleece Performance spring and retainer kit. Our springs are manufactured from “super clean” Hi-Tensile Chrome Silicon steel with a proprietary multi-step heat treating process that minimizes load loss. These springs have a seat pressure of 105 lbs. with an open pressure of 195 lbs. at maximum lift. The retainers are thru-hardened 4140 chromoly steel and have a black oxide finish.
APPLICATION NOTES
Fitment: For MY1998.5 - 2018 engines only.
Does NOT include retainer locks.
Upgrade your Cummins valve springs and retainers with our Fleece Performance spring and retainer kit. Our springs are manufactured from “super clean” Hi-Tensile Chrome Silicon steel with a proprietary multi-step heat treating process that minimizes load loss. These springs have a seat pressure of 105 lbs. with an open pressure of 195 lbs. at maximum lift. The retainers are thru-hardened 4140 chromoly steel and have a black oxide finish.
APPLICATION NOTES
Fitment: For MY1998.5 - 2018 engines only.
Does NOT include retainer locks.
