Pay in 4 interest-free payments of $36.32 Learn more
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Real-time Tuning: Changes can be made to the map in real-time while the engine is running
If you don't already have a set of PERRIN Boost Tubes
*Does not include AFR
(Some models are NOT compatible with EDFC series
Brian Crower Valve Spring & Titanium Set - Subaru EJ20/25 WRX/STI Intake Real-time Tuning: Changes can beBrian Crower valve springs by PAC Racing are designed for high rpm use and are wound from only the highest grade, super clean, chrome silicone alloy. BC springs feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. Specifications Spring# BC1600 Spring Pressure: BC1600 Seat: 1. 420" @ 80 lbs Open: 1. 000" @ 178 lbs Coil Bind: 0. 850" (no machine
