BRIAN CROWER DUAL SPRING/RETAINER SET: K20A/K20A2/K20Z/F20C/F22C BCR-BC0040
Product Features
Designed for high rpm, BC valve springs 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.
Spring Pressure: BC1040 Seat: 1.590" @ 80 lbs / Open: 1.110" @ 260 lbs / Coil Bind: 1.030" (no machine work required)