Brian Cower Subaru EJ Series Dual Spring/Titanium Retainer, Seat Kit

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 BC1020 Dual
Free Length 1.606"
Seat 1.400" @ 70 lbs
Open 0.905" @ 210 lbs
Coil Bind 0.815"
Retainer BC2305-16
Spring Seat BC2936
Net Cam Lift 0.470" / 11.94mm