Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 8.5:1 Dish Piston Set with Rings 612002C-4 Process West 30 COMPATIBLE CAR MODELS IMPREZA

30 COMPATIBLE CAR MODELS IMPREZA WRX STI

Includes onboard 4 bar or 7 bar MAP sensor

The advantage gained from installing one of these flywheels comes from the reduction of rotational mass the engine is required to turn

With a poor quality oil

The adjustment screw on the side of the pump then allows for fine tuning

Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 8.5:1 Dish Piston Set with Rings 612002C-4 Process West 30 COMPATIBLE CAR MODELS IMPREZAOur signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability. This Part Fits: Year Make Model Submodel 2004 2012 Subaru Impreza WRX STI 2007,2011 2012 Subaru Impreza WRX STI Limited 2010 Subaru Impreza WRX STI