Description
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 BC1310 Dual
Free Length 1.866″
Seat 1.325″ @ 82 lbs
Open 0.925″ @ 180 lbs
Coil Bind 0.730″
Retainer BC2305-24
Spring Seat BC2935
Net Cam Lift 0.470″ / 11.94mm
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