Brian Crower BC0480 - JEEP 4.0L/4.2L INLINE 6 (AMC) DUAL SPRING/RETAINER KIT

DUAL SPRING/STEEL RETAINER KIT -
Designed for high rpm, BC dual 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 steel retainers are CNC machined from 4140 chromoly to exacting tolerances.