Bore: 83.00mm (stock 82.50mm) Stroke: 92.80mm Compression height: 29.6mm Compression ratio: 9.6 Pin: 23mm Rings: 1.20x1.50x2.00mm Hard Anodized Top Ring Groove For Extreme Duty Applications Crown volume: -7.1cc Weight: 318g Alloy: M142P Clearance guide: Measuring point .250 Min .0010 Max .0018 Package: 4 pistons with rings and pins Warning: check for...

Cyl.Bore: 82.50mm is STD Compression Height: 29.56mm Length: 53.8mm Recess Depth: +3.7/-3.8mm Bolt d.: 23.0mm Bolt Length: 51.0mm Info: Alfin, skirt MOS2 treated, fits tapered connecting rod Piston rings: 1.20x1.20x2.00mm

Cyl.Bore: 82.50mm is STD Compression Height: 29.56mm Length: 53.8mm Recess Depth: +3.7/-3.8mm Bolt d.: 23.0mm Bolt Length: 51.0mm Info: Alfin, skirt MOS2 treated, fits tapered connecting rod Piston rings: 1.20x1.20x2.00mm

Cyl.Bore: 81.00mm is STD Compression Height: 45.8mm Length: 68.8mm Recess Depth: -8.25/-13.2mm Bolt d.: 26.0mm Bolt Length: 66.0mm Info: Alfin and with oil gallery, skirt MOS2 treated, pin bushing inserted, fits tapered connecting rod Piston rings: 1.75x2.00x2.00mm

Cyl.Bore: 82.50mm is STD Compression Height: 29.6mm Length: 50.1mm Recess Depth: -6.2mm Bolt d.: 23.0mm Bolt Length: 51.0mm Info: Alfin, skirt MOS2 treated, fits tapered connecting rod Piston rings: 1.20x1.20x2.00mm

Cyl.Bore: 82.50mm is STD Compression Height: 29.6mm Length: 50.1mm Recess Depth: -6.2mm Bolt d.: 23.0mm Bolt Length: 51.0mm Info: Alfin, skirt MOS2 treated, fits tapered connecting rod Piston rings: 1.20x1.20x2.00mm