Manley Platinum Series Forged Pistons are machined from high strength 2618 alloy with a specialized design that is robust enough to withstand the abuse of a high boost racing engine over a long service life.
Car Make: Subaru
Car Model: Impreza WRX / WRX STi
Years: 2004-2018 STi / 2006-2014 (WRX)
Engine: EJ255 / EJ257
Included Ring Set: 46995DT-4
Compression Ratio: 8.5:1 WRX / 8.0:1 STi
Face Type: Dish
Dome CC: -22
Head CC: 51 cc
Gram Weight: 395 g
Pin Size: 23mm
Compression Height: 1.209
Rod Length: 5.137
Stroke: 3.110
Bore: 99.55mm
Material: 2618
Bore Size: +0.05mm
Standard Pin (Included): 42346-4
Car Make: Subaru
Car Model: Impreza WRX / WRX STi
Years: 2004-2018 STi / 2006-2014 (WRX)
Engine: EJ255 / EJ257
Included Ring Set: 46995DT-4
Compression Ratio: 8.5:1 WRX / 8.0:1 STi
Face Type: Dish
Dome CC: -22
Head CC: 51 cc
Gram Weight: 395 g
Pin Size: 23mm
Compression Height: 1.209
Rod Length: 5.137
Stroke: 3.110
Bore: 99.55mm
Material: 2618
Bore Size: +0.05mm
Standard Pin (Included): 42346-4
