Product details:

Bore 49.50mmCompression Standard CompressionSizing 0.50mm OversizeForged from high-silicon aluminum alloy for maximum strength and dependability.. Innovative forging design and piston skirt provide maximum horsepower and torque.. Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).. Oversize pistons require cylinder sleeving.. SPECIFICATIONS. Displacement 80cc. Bore - Standard 49.00mm. Bore - Actual 49.50mm. Bore - Over