Description
BRIAN CROWER Dual Spring & Titanium Retainer & Seat Kit (Subaru FA20, Toyota 4UGSE)
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 BC1010 DualFree Length 1.607″Seat 1.350″ @ 80 lbsOpen 0.900″ @ 220 lbsCoil Bind 0.765″Retainer BC2651Spring Seat BC2939Net Cam Lift 0.500″ / 12.7mm
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