Stroke: 75 Displacement: 2238ccmWossner Comp. Ratio: 8.0:1 OE Comp. Ratio: 8.0:1 Piston Weight(grams ): 410 note: price includes rings, wrist pins, clips and low friction skirt coatingââBore Sizes: 97.00- Kit Part No. K9132DA, 97.50 - Kit Part No. K9132D050, 98.00- Kit Part No. K9132D100