BC0040S - Honda K20A/K20Z/F20C/F22C/K20A3/K24A Spring/Steel Retainer/Seat Kit

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. TypeBC1040 Dual Free Length2.025" Seat1.590" @ 80 lbs Open1.110" @ 250 lbs Coil Bind1.030" RetainerBC2011 Spring SeatBC2904 Net Cam Lift 0.550" / 13.97mm