Ferrea +.001 Oversize Intake Valve Guide Subaru WRX EJ20 (QTY 8) Vehicle Model_Cooper The studs are manufactured from

The studs are manufactured from 8740 chrome moly steel

When aluminum 30% higher heat dissipation and extremely low weight and excellent durability

2004-2005 Subaru STI

Close-End lug nut

Ferrea +.001 Oversize Intake Valve Guide Subaru WRX EJ20 (QTY 8) Vehicle Model_Cooper The studs are manufactured fromPart #: VG1074 Ferrea's Copper Bronze Valve Guides are available for Domestic,Sport Compact and Motorcycle applications. Our high quality copper bronze blended alloy valve guide is developed with proprietary heat treatment processes allowing for greater heat dissipation, heat resistance, and lubricity properties for the next generation of high performance race engines. SUBARU IMPREZA WRX (2001 2008) INTAKE, 1MM OVERSIZE Specifications: Intake +. 001