Manley Subaru WRX STi (EJ257) 99.5mm Bore STD Size 8.5 CR 83mm Stroke Piston w/Ring *SINGLE ONLY* subaru-outback-xt-2009 Pro-Kit provides the ultimate balance

Pro-Kit provides the ultimate balance to take your passion for driving to a whole new level

The PERRIN Air Oil Separator is available in black

Filter Material: Cotton

Torque Solution Throttle Body Spacer

1987 Isuzu Trooper LS

Manley Subaru WRX STi (EJ257) 99.5mm Bore STD Size 8.5 CR 83mm Stroke Piston w/Ring *SINGLE ONLY* subaru-outback-xt-2009 Pro-Kit provides the ultimate balance04 11 Subaru WRX STi Platinum Series Piston Single by Manley Performance Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. Round wire locks, tool steel wrist pins, and rings are included with every set at no additional charge.