Manley Pistons 99.75mm Bore +.25mm Size 8.5:1 Dish Extreme Duty Subaru WRX / STI EJ257 RSX_2002-2006 Process West solves this with

Process West solves this with a purpose-built splitter

Best for moderately modified or daily driven STI

Looking to eliminate that annoying body roll when cornering in your Nissan 350Z

Forester 2004-2008 and Universal Applications such as Sand Rails

Waste-Reducing: Helps reduce landfill waste by eliminating the need for disposable filters

Manley Pistons 99.75mm Bore +.25mm Size 8.5:1 Dish Extreme Duty Subaru WRX / STI EJ257 RSX_2002-2006 Process West solves this withPart #: 632202CE 4 The best aftermarket Subaru piston company just got even better with our new Turbo Tuff lineup targeted specifically for EJ25 engines. By incorporating proven design enhancements from our "Formula Won" piston forging, we've created the ultimate Subi piston to withstand the rigors of the highest boosted and stressed applications yet still run "quietly" and trouble free for the daily driver. Like all Manley Subaru pistons, these are