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- Wrist Pin Diameter: 10mm
- Total Piston Height: 48mm
- Compression Height (from center of wrist pin hole to top edge of piston): 26mm
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- Upgrades to 70cc
- Aluminum Construction with Nickel Carbide Plated Bore
- Cylinder Bore: 47.6mm
- Cylinder Sleeve Outer Diameter: 53.5mm
- Wrist Pin Diameter: 12mm
- Total Piston Height: 49.5mm
- Compression Height (from center of wrist pin hole to top edge of piston): 26mm
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- Please Choose From 39mm Stock Water Cooled or 47mm Big Bore Water Cooled Options
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- Please Choose From 39mm Stock Air Cooled or 47mm Big Bore Air Cooled Options
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- Please Choose From 39mm Stock Water Cooled or 47mm Big Bore Water Cooled Options
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- Please Choose From 39mm Stock Air Cooled or 47mm Big Bore Air Cooled Options
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- Please Choose From 39mm or 50mm Bore Options
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- Please Choose from 40mm, 47mm or 54mm Bore Options
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- Short-Case CVT Gasket
- 76mm Stud Spacing
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- 240 Degree Performance Camshaft
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- Piston Diameter: 61mm
- Piston Type: Forged
- Compression Ratio: 11.5 to 1
- Piston Compression Height: 19.5mm
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- Includes 1 Head Gasket and 1 Base Gasket
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- Cylinder Displacement: 169.2cc
- Cylinder Material: Aluminum/Ceramic CoatedCylinder Overall Height: 90.5mm
- Piston Diameter: 61mm
- Piston Type: Forged
- Compression Ratio: 11.5 to 1
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- Includes Mounting Screws and Instructions
