Manley Pistons 99.75mm +.25mm Bore 9.8:1 Dish Extreme Duty Subaru WRX / STI EJ257 Outback_2010-2014 RLI-SU-GDB-SKG-01

RLI-SU-GDB-SKG-01

and a hot side O-ring gasket

Part #: SUB-84981FG050

Long-term durability in built engines

Manley Pistons 99.75mm +.25mm Bore 9.8:1 Dish Extreme Duty Subaru WRX / STI EJ257 Outback_2010-2014 RLI-SU-GDB-SKG-01Part #: 632302CE 4 The best aftermarket Subaru piston company just got even better with our new Turbo Tuff lineup targeted specifically for EJ25 engines. By incorporating proven design enhancements from our "Formula Won" piston forging, we've created the ultimate Subi piston to withstand the rigors of the highest boosted and stressed applications yet still run "quietly" and trouble free for the daily driver. Like all Manley Subaru pistons, these are