80.00 - Kit Part No. K9216DA, 80.50 - Kit Part No.K9216D050, 81.00 - Kit Part No. K9216D100Stroke: 79.52Displacement: 1597 ccmWossner Comp. Ratio: 7.5:1Comp Height: 38.8mmOE Comp. Ratio: 8.3:1Piston Weight(grams): 338note: price includes rings, wrist pins, clips and low friction skirt coating*rings need to be shortened