Single Piston Fits GM & Chevrolet 2.2L 134 Dish TopSize = .50mm OversizedBore Diameter (STD)AlloyTop Ring2nd RingOil RingPin DiameterCompression Height89.00mm (3.504in)Hypereutectic1.50mm1.50mm3.00mm0.80021.200Need Rings? To check our inventory, please Click Here for Cast or Click Here for Moly