Brian Crower Single Valve Springs Subaru WRX 2002-2014 / STI 2004-2021 Wheel Offset_35mm Part #: 315120

Part #: 315120

Part #: FJK1001FW-SS-DXD-B

and it makes more horsepower and torque when compared to a detuned map that is focused on eliminating flutter

These cams are built to suit the high horsepower Subis

Brian Crower Single Valve Springs Subaru WRX 2002-2014 / STI 2004-2021 Wheel Offset_35mm Part #: 315120Part #: BC1600 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. Spring Pressure: BC1600 Seat: 1. 420" @ 80 lbs Open: 1. 000" @ 178 lbs Coil Bind: 0. 850" (no machine work required) Subaru EJ205 WRX EJ257 STi?