Brian Crower Valve Spring - Dual (Honda/Acura B18A/B18B/B20B, Subaru EJ Series) - 1 only BC1020-1

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	Dual
Free Length	1.606"
O.D./I.D. Outer	1.105" / 0.820"
O.D./I.D. Inner	0.820" / 0.650"
Seat	1.400" @ 70 lbs
Open	0.905" @ 210 lbs
Coil Bind	0.815"
Retainer	BC2020, BC2020S, BC2305-16
Spring Seat	OEM
Net Cam Lift	0.470" / 11.94mm