Manley 04+ Subaru WRX/STI EJ25 99.50mm STD (Grade B) Bore 8.5:1 Dish Piston (SINGLE PISTON)

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
• Crankshaft Stroke: 79.0mm
• Rod Length: 5.137
• Piston Type: Dish/Inverted Dome
• Compression Height: 1.209
• Piston Material: 2618 Forged
• Piston Ring Size: 1.2 1.2 2.0mm
• Wrist Pin Size: 0.9055 (23mm)