Supertech forged piston set for Subaru EZ30R with an 89.20mm bore and an -18cc dish, yielding an 8.5:1 compression ratio; set of six pistons sold without rings. These pistons are specified for engines matching the listed bore and dish dimensions and are intended for rebuilds or performance assemblies requiring those characteristics.
Supertech Subaru EZ30R 89.20mm Bore -18cc Dish 8.5:1 CR Piston- Set of 6 (Use SWF20070-0/Excl Rings)