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 BC1100 Single Free Length 1.879" Seat 1.550" @ 84 lbs Open 1.000" @ 235 lbs Coil Bind 0.935" Retainer BC2100S Spring Seat OEM Net Cam Lift 0.520" / 13.2mm