Manley 04+ Subaru WRX/STI EJ257 99.50mm STD (Grade A) Bore 8.5:1 Dish Piston (SINGLE PISTON)
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Manley has recently released their Turbo Tuff piston lineup targeted specifically for EJ25 engines. By incorporating proven design enhancements from their "Formula-Won" piston forging, they've created the ultimate Subaru piston to withstand the rigors of the highest boosted and stressed applications yet still run "quietly" and trouble-free for the daily driver.
Vehicle Make: Subaru EJ257
Bore Size: 99.50 mm Grade A
Crankshaft Stroke: 79.0mm STD
Rod Length: 5.137
Piston Type: Dish
Compression Height: 1.209
Piston Material: 2618 Forged
Dome Volume: -22
Cylinder Head: 51
- Comp Ratio: 8.5
- Piston Weight/ Grams: 405
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