Manley Turbo Tuff 04+ Subaru WRX/STI EJ257 99.75mm Bore +.25mm Size 8.5:1 Dish Piston Set Long Rod Onboard Trigger Oscilloscope

Onboard Trigger Oscilloscope

Red = Power

They are machined from stainless and a perfect fit

Ignition retard control

and easiest to use ECU upgrade solution for your Subaru

Manley Turbo Tuff 04+ Subaru WRX/STI EJ257 99.75mm Bore +.25mm Size 8.5:1 Dish Piston Set Long Rod Onboard Trigger OscilloscopeDIMS: 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 .