Supertech piston set for Subaru WRX with a 92.5mm bore providing an 8.3:1 compression ratio. Coated pistons are supplied as a set of four; piston rings are not included and the listing references SWF20062-2 for compatibility. These pistons suit WRX rebuilds needing the slightly larger bore and the specified coated surface.
Supertech Subaru WRX 92.5mm Bore 8.3:1 CR Coated Pistons - Set of 4 (Use SWF20062-2) (Excl Rings)