Manley Turbo Tuff 04+ Subaru WRX/STI EJ257 99.75mm Bore +.25mm Size 8.5:1 Dish Piston Set Long Rod tensile strength and toughness –

tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation

and easiest to use ECU upgrade solution for your Subaru

Sunnen Honing Machines Along with Sunnen Diamond Honing Tooling are used for both Big & Pin End Machining and Sizing

allowing the unit to be used as a boost gauge

Manley Turbo Tuff 04+ Subaru WRX/STI EJ257 99.75mm Bore +.25mm Size 8.5:1 Dish Piston Set Long Rod tensile strength and toughness –DIMS: 10. 25 x 5. 75 x 5. 5 SUB: Forged EJ Pistons 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. Features Pin: Standard .