Brian Crower Subaru FA20/Toyota 4UGSE Dual Spring/Titanium Retainer Kit BC0651

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 Dual
Free Length	1.607"
Seat	1.350" @ 80 lbs
Open	0.900" @ 220 lbs
Coil Bind	0.765"
Retainer	BC2651
Spring Seat	BC2939
Net Cam Lift	0.500" / 12.7mm