The Supertech piston set for Subaru WRX 2.0L JDM Spec C engines includes four pistons sized to 93mm (+1) with a -4.5cc dish and an 8.5:1 compression ratio; rings are excluded. This set is suited to JDM Spec C rebuilds or replacements where altered piston crown volume is required to meet the original compression and combustion chamber characteristics.
Supertech Subaru WRX 2.0L (JDM Spec C) 93mm (+1) -4.5cc Dish 8.5:1 CR Piston - Set of 4 (Excl Rings)