The Supertech piston set for Subaru H6 EZ30R 3.0L engines includes six pistons sized to 89.50mm (+0.3) bore with a 30.30mm crown height and a -15cc dish; rings are excluded. Supplied as a set of six, this kit is intended for EZ30R rebuilds that require the specified dish and bore dimensions to restore correct compression and combustion chamber geometry.
Supertech Subaru H6 EZ30R 3.0L 89.50mm (+0.3) 30.30mm CH - 15cc Dish Piston - Set of 6 (Excl Rings)