Performance High RPM Valve Spring and Retainer Kit by Brian Crower
Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC steel retainers are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances.
Features
Spring PressureSeat: 1.550" @ 84 lbsOpen: 1.000" @ 235 lbsCoil Bind: 0.935" (no machine work required)
