Description
This all new spring kit for the Gen III Hemi is designed for use in hydraulic roller applications with a maximum of .640" valve lift. These all new BTR Beehive springs were designed to provide maximum valve control and valve train stability in today's demanding high performance engines. Tested on both the engine dyno and Spintron to verify performance and longevity.
140lb @1.950 "
400lb @1.310"
Coil bind at 1.240"
407 lb rate
BTR-1515 valve springs (QTY 16)
SLH815075BH -16 beehive locator set (QTY 1)
A201HP-16 .060" shims set (QTY 1)
Uses stock Hemi valve locks and retainers.