Bore: 82.00mm (stock 82.00mm) Stroke: 94.60mm Compression height: 33.27mm Compression ratio: 10.6 Pin: 22x50.0mm Rings: 1.20x1.50x2.00mm Crown volume: -11.0cc Weight: 299g Alloy: 2618 PowerPak Clearance guide: Measuring point .500 Min .0025 Max .0033 Package: 6 pistons with rings and pins

Bore: 87.25mm (stock 87.00mm) Stroke: 91.00mm Compression height: 32.3mm Compression ratio: 12.5 Pin: 21x50.0mm 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

Bore: 77.50mm (stock 77.00mm) Stroke: 85.80mm Compression height: 28.50mm Compression ratio: 10.3 Pin: 20x50.8mm 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,...

Bore: 86.50mm (stock 86.00mm) Stroke: 86.00mm Compression height: 33.37mm Compression ratio: 9.5 Pin: 23x57.4mm Rings: 1.20x1.20x2.80mm Crown volume: -4.5cc Weight: 337g Alloy: 2618 PowerPak Clearance guide: Measuring point .500 Min .0025 Max .0033 Package: 4 pistons with rings and pins

Bore: 85.50mm (stock 85.00mm) Stroke: 88.00mm Compression height: 34.7mm Compression ratio: 8.7 Pin: 22x58.1mm Rings: 1.20x1.20x2.80mm Crown volume: -10.0cc Weight: 321g Alloy: 2618 PowerPak Clearance guide: Measuring point .236 Min .0025 Max .0033 Package: 4 pistons with rings and pins

Bore: 71.01mm Length: 46.9 mm Compression Height: 28.94 mm Pin Length: 42 mm Pin Diameter: 19 mm Recess Depth 1: 4.35 mm Recess Diameter: 39.5 mm Surface: Hard Anodized Production Number: 71 L 55 Piston Clearance: 0.055 mm Piston rings: 1.20x1.20x2.00mm

Bore: 71.00mm Length: 44.5 mm Compression Height: 28 mm Pin Length: 49 mm Pin Diameter: 17 mm Valve Pocket Depth 1: 0.7 mm Surface: Hard Anodized Production Number: 71 L 99 Piston rings: 1.20x1.20x2.00mm

Bore: 72.20mm Length: 47.3 mm Compression Height: 31.24 mm Pin Length: 49 mm Pin Diameter: 20 mm Valve Pocket Depth 1: 2 mm Valve Pocket Depth 2: 2.7 mm Top Land Height: 5.5 mm Connecting Rod Design: Trapezoidal Connecting Rod Production Number: 72 L 71 Piston Clearance: 0.05 mm Piston rings: 1.20x1.50x2.00mm

Bore: 72.45mm Length: 47.3 mm Compression Height: 31.24 mm Pin Length: 49 mm Pin Diameter: 20 mm Valve Pocket Depth 1: 2 mm Valve Pocket Depth 2: 2.7 mm Top Land Height: 5.5 mm Connecting Rod Design: Trapezoidal Connecting Rod Production Number: 72 L 71 Piston Clearance: 0.05 mm Piston rings: 1.20x1.50x2.00mm

Bore: 72.70mm Length: 47.3 mm Compression Height: 31.24 mm Pin Length: 49 mm Pin Diameter: 20 mm Valve Pocket Depth 1: 2 mm Valve Pocket Depth 2: 2.7 mm Top Land Height: 5.5 mm Connecting Rod Design: Trapezoidal Connecting Rod Production Number: 72 L 71 Piston Clearance: 0.05 mm Piston rings: 1.20x1.50x2.00mm

Bore: 75.00mm Length: 44 mm Compression Height: 26 mm Pin Length: 51 mm Pin Diameter: 17 mm Surface: Hard Anodized Top Land Height: 5.51 mm Production Number: 75 L 175 Piston rings: 1.00x1.00x2.00mm

Bore: 75.50mm Length: 44 mm Compression Height: 26 mm Pin Length: 51 mm Pin Diameter: 17 mm Surface: Hard Anodized Top Land Height: 5.51 mm Production Number: 75 L 175 Piston rings: 1.00x1.00x2.00mm