Brian Crower 2jz Double spring kit and titanium retainers

Brian crower double spring kit toyota 2jz head.

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.

Spring Pressure: BC1310 Seat: 1.325" @ 82 lbs / Open: 0.925" @ 180 lbs / Coil Bind: 0.730" (no machine work required)