• Chrome-plated piston pin
• Horizontal slot pin oiling
• Pressure seal groove
• Skirt-coated
• Dedicated rings
• Improved flame travel
• Scuff-resistant
• Maximum ring seal
• Maximum compression and oil control
• 1207cc Displacement
• 3.498″ STD Bore
• 3.508″ Actual bore (.010″ oversize)
• 3.812″ Stroke
• No cylinder head mod required



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