Bore: 87.25mm (stock 87.00mm) Stroke: 91.00mm Compression height: 32.3mm Compression ratio: 12.5 Pin: 21mm Rings: 1.20x1.20x2.80mm Crown volume: -9.2cc Weight: 354g Alloy: 2618 PowerPak Clearance guide: Measuring point .250 Min .0020 Max .0027 Package: 6 pistons with rings and pins Warning: check for interference to piston motion from valves, oil squirters,...

Bore: 77.50mm (stock 77.00mm) Stroke: 85.80mm Compression height: 28.50mm Compression ratio: 10.3 Pin: 20mm Rings: 1.00x1.20x2.80mm Crown volume: -1.1cc Weight: 273g Alloy: M142P Clearance guide: Measuring point: .385 Min: .0008 Max: .0016 Package: 4 pistons with rings and pins Warning: check for interference to piston motion from valves, oil squirters, etc....

Bore: 77.50mm (stock 77.00mm) Stroke: 85.80mm Compression height: 28.50mm Compression ratio: 10.3 Pin: 20mm Rings: 1.00x1.20x2.80mm Crown volume: -1.1cc Weight: 273g Alloy: M142P Clearance guide: Measuring point: .385 Min: .0008 Max: .0016 Package: 4 pistons with rings and pins Warning: check for interference to piston motion from valves, oil squirters, etc....

Bore: 77.50mm (stock 77.00mm) Stroke: 85.80mm Compression height: 28.50mm Compression ratio: 10.3 Pin: 20mm Rings: 1.00x1.20x2.80mm Crown volume: -1.1cc Weight: 273g Alloy: M142P Clearance guide: Measuring point: .385 Min: .0008 Max: .0016 Package: 4 pistons with rings and pins Warning: check for interference to piston motion from valves, oil squirters, etc....

Bore: 83.00mm (stock 82.50mm) Stroke: 92.80mm Compression height: 29.60mm Compression ratio: 9.6 Pin: 21mm Rings: 1.20x1.50x2.00mm Hard Anodized Top Ring Groove For Extreme Duty Applications Crown volume: -7.1cc Weight: 328g Alloy: M142P Clearance guide: Measuring point: .250 Min: .0010 Max: .0018/td> Package: 4 pistons with rings and pins Warning: check...

Piston size: 98.00mm; Ring size: 1.20x1.50x2.00mm

Piston size: 71.90mm; Ring size: 1.20x1.50x2.50

Cyl.Bore: 82.50mm is STD Compression Height: 29.8mm Length: 56.0mm Recess Depth: +5.6/-4.7mm Recess Diameter: 60.0mm Bolt d.: 21.0mm Bolt Length: 53.0mm Info: Alfin and with oil gallery, skirt MoS2 treated, fits tapered connecting rod Piston rings: 1.20x1.50x2.00mm

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: 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