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: 91.33mm Length: 69.6 mm Compression Height: 41.55 mm Pin Length: 68.8 mm Pin Diameter: 24 mm Surface: Tin-plated Top Land Height: 8.5 mm Production Number: 90 V 118 Piston Clearance: 0.032 mm Piston rings: 1.60x2.00x4.00mm

Bore: 92.00mm Top ring: 1.20mm 2nd ring: 1.50mm 3rd ring: 2.00mm

Bore: 96.00mm Top ring: 1.20mm 2nd ring: 1.50mm 3rd ring: 2.00mm

Bore: 85.00mm Top ring: 1.20mm 2nd ring: 1.50mm 3rd ring: 2.00mm

Bore: 82.00mm Top ring: 1.20mm 2nd ring: 1.50mm 3rd ring: 2.00mm

Bore: 84.00mm Top ring: 1.50mm 2nd ring: 1.75mm 3rd ring: 3.00mm

Bore: 81.01mm Top ring: 1.50mm 2nd ring: 1.75mm 3rd ring: 3.00mm

Bore: 83.01mm Top ring: 1.20mm 2nd ring: 1.50mm 3rd ring: 2.50mm

Bore: 81.01mm Top ring: 1.20mm 2nd ring: 1.75mm 3rd ring: 3.00mm

Bore: 81.01mm Top ring: 1.50mm 2nd ring: 1.75mm 3rd ring: 3.00mm

Bore: 82.50mm Top ring: 1.20mm 2nd ring: 1.50mm 3rd ring: 2.00mm