Description
This kit offers significant gains in horsepower and torque with our custom 99MM big bore piston & 6MM stroker crankshaft, complete with a matching 99MM cylinder. This kit increases your engine’s displacement to an impressive 525cc.
- No Crankshaft Core Required!
- No Cylinder Core Required!
Key Features:
- Stroke Increase: Adds 6MM to the engine stroke, making it 68.1MM
- Connecting Rod: Includes a custom longer length rod. Engineered to withstand extreme engine conditions and cylinder pressures
- Balanced Crank: The crankshaft is heavy metal balanced to accommodate the new reciprocating weight of the assembly, no vibrations!
- Assembled and Trued: The crankshaft is pre-assembled and trued for optimal performance
- Crank Pin: Welded to prevent twisting
- Cam Chain: Includes longer cam chain to accommodate for higher deck height
- Cylinder: Comes with a 99MM cylinder that is full sleeper, looks just like a stock cylinder!
- Gaskets and Cylinder Spacer: 99MM head gasket, 2x cylinders gaskets and aluminum spacer is needed for raising the cylinder to fit the longer rod and stroker crank.
- Piston Features:
- 14.8 Compression Ratio Piston, Horizontal Gas Ports w/99MM Bore
- Titanium Nitride Treated Rings
- DLC-coated Wrist Pin
- Circlips
- Machine Work Required!: You will need to bore the cases and modify the balancer shaft to clear the big end of the connecting rod. We can provide this service to your cases and balance shaft for an additional $300.
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