Brian Crower SR20DET Valve Spring + Retainer Kit

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.

BC1200 Seat: 1.550" @ 90 lbs

Open: 1.025" @ 220 lbs

Coil Bind: 0.910" (no machine work required)