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.
Type BC1200 Single Free Length 1.980" Seat 1.550" @ 90 lbs Open 1.025" @ 220 lbs Coil Bind 0.910" Retainer BC2200S Spring Seat OEM Net Cam Lift 0.550" / 13.97mm