Forged piston kit sized at 78.00 mm (+2.00 mm over standard) with an actual 12.0:1 compression ratio, supplied as a single-cylinder set including piston, ring set, wrist pin and circlips. Cylinder boring to suit the oversize is required.

Features

• Forged 2618 aluminium construction


• 12.0:1 compression crown design


• Dedicated 78.00 mm ring pack for sealing performance


• Supplied with piston, ring set, wrist pin and circlips

Specifications

• Bore size: 78.00 mm (+2.00 mm over 76.00 mm standard)


• Stroke (engine reference): 58.00 mm


• Resulting displacement (set of four): approximately 1109 cc


• Piston diameter (measured): 77.95 mm


• Compression ratio: 12.0:1


• Wrist pin: S520, 20 mm diameter × 2.362 in length


• Circlips: CW20, 20 mm


• Ring set: 3071XG (78.00 mm)


• Series: 4-stroke forged


• Installation note: Cylinder boring and correct piston-to-bore clearance required

Vehicle Fitments

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  Suzuki GSX-R1100 1986–1988