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Product Description
Bore: Yes
Stroke: No
Actual Displacement = 81.68cc
Engine Modifications Required:
Cylinder: Bore, Port and Replate with Apticote 2000 ceramic bore coating.
Power Valves: Kit comes with new valves
Head: Rechamber to work with the Big Bore piston. 100 octane suggested for most conditions.
Crankshaft: No crank mods required.
Crankcase: No crankcase mods required.
Blueprint: Calculate deck height, squish clearance, trapped volume, port timing and compression ratio and list on your perminant Spec-Sheet. (Some operations with install only)
Notes: This kit requires you to send us your cylinder, head, and powervalves for modification.
Notes: Core parts subject to inspection before credits will be issued.
Stroke: No
Actual Displacement = 81.68cc
Engine Modifications Required:
Cylinder: Bore, Port and Replate with Apticote 2000 ceramic bore coating.
Power Valves: Kit comes with new valves
Head: Rechamber to work with the Big Bore piston. 100 octane suggested for most conditions.
Crankshaft: No crank mods required.
Crankcase: No crankcase mods required.
Blueprint: Calculate deck height, squish clearance, trapped volume, port timing and compression ratio and list on your perminant Spec-Sheet. (Some operations with install only)
Notes: This kit requires you to send us your cylinder, head, and powervalves for modification.
Notes: Core parts subject to inspection before credits will be issued.