Stroke: 75 Displacement: 1993ccmWossner Comp. Ratio: 8:1 OE Comp. Ratio: 8.35:1Piston Weight(grams ): 354note: price includes rings, wrist pins, clips and low friction skirt coatingââBore Sizes: 92.00 - Kit Part No. K9130DA, 92.50 - Kit Part No. K9130D050, 93.00 - Kit Part No. K9130D100