86.5" 3 1/2" Big Bore Cylinder Head Engine Motor Kit Harley Shovelhead Panhead

Designer: V-Twin Manufacturing

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SKU 10-1345
Free delivery to the Lower 48 States
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Fitmet Questions? Call us at 610-754-8500


Panhead big bore kit with 3-1/2" cylinders and matching complete Panhead heads. This kit will fit 1970-1984 Shovelheads to convert to Panhead type, with overhead oiler system. 

Kit includes 3-5/8" cylinder kit with cast pistons, head bolt set and rings. Complete this Panhead head set comes with valves guides, spring valves and rocker arm assemblies. *NOTE: 66-78 models with stock 3 7/16" bore will need case machining to 3 1/2". With 3.9" stroke gives 75.04 cubic inches. With 4-1/4" (stock 74") stroke gives 81.78 cubic inches. With stock 4-1/2" (80") stroke gives 86.59 cubic inches. *NOTE: Order Panhead valve covers, manifold, pan gaskets and pushrod covers separately. 


FL 1963-1984