Manley Forged Pistons Fits Subaru WRX STi EJ257 99.50mm STD -17 cc 8.5:1

PLATINUM SERIES LIGHTWEIGHT PISTONS

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge. 9310 alloy upgraded wrist pins are available.

Manley Subaru EJ257 pistons now include Napier style second rings and higher tension oil rings (by Total Seal) for superior oil control.

Vehicle Fitment:

Subaru EJ257
2006-2014 WRX
2004-2020 STi