Manley Pistons 100.0mm +.50mm Bore 9.8:1 Dish Extreme Duty Subaru WRX / STI EJ257 Vehicle Model_Stealth and driving confidence—all without compromising

and driving confidence—all without compromising ride comfort

it prevents areas of localized high temperature from damaging the engine itself

unobtrusive look

The Positive Shift kits include simple poly bushings that replace the soft OEM units

Ductile material is used for all pressure plates and

Manley Pistons 100.0mm +.50mm Bore 9.8:1 Dish Extreme Duty Subaru WRX / STI EJ257 Vehicle Model_Stealth and driving confidence—all without compromisingPart #: 632305CE 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