$385.95
BC0030
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.
Spring Pressure: BC1030 Seat: 1.400" @ 88 lbs / Open: 0.950" @ 220 lbs / Coil Bind: 0.790" (no machine work required) Mandatory to check valve guide to retainer clearance prior to operation.