Brian Crower Subaru BRZ/Scion FR-S/Toyota GT86 4UGSE Single Spring & Titanium Retainer Kit w/ Seats

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	BC1650 Single
Free Length	1.607"
Seat	1.350" @ 80 lbs
Open	0.900" @ 220 lbs
Coil Bind	0.765"
Retainer	BC2650
Spring Seat	BC2938
Net Cam Lift	0.500" / 12.7mm