Driveshaft Shop 500HP Rear Axle 1992-2001 Impreza WRX STi (GC8) / 2002-2007 WRX (GD) with R180 Differential Conversion Wheel Center Caps Ferrea's Copper Bronze Valve Guides

Ferrea's Copper Bronze Valve Guides are made for turbo application Subaru's including the WRX and STI

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Maximum Height (with extension): 51"

Replace your restrictive stock S13 Rubber intake pipe with this high flow polished aluminum intake pipe

Driveshaft Shop 500HP Rear Axle 1992-2001 Impreza WRX STi (GC8) / 2002-2007 WRX (GD) with R180 Differential Conversion Wheel Center Caps Ferrea's Copper Bronze Valve GuidesPart #: RA8526X4 Impreza WRX STi (GC8 except Type R RA) and Impreza WRX (GD) with R180 differential conversion 500HP Rear Axles (R180 Differential ONLY). These axles use our new proprietary outer CV that is a direct fit to the factory wheel hub, our aerospace grade torsional 32 spline axle bars, increased from the factory 29 spline bars, and a billet ball & cage inner cv with our high grade inner differential spline for the R180 differential. Please