Big Bore Kit

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


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

86.5 3 1/2 Big Bore Cylinder Head Engine Motor Kit Harley Shovelhead Panhead   86.5 3 1/2 Big Bore Cylinder Head Engine Motor Kit Harley Shovelhead Panhead
Panhead big bore kit with 3-1/2 cylinders and matching complete Panhead heads. 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. The item "86.5 3 1/2 Big Bore Cylinder Head Engine Motor Kit Harley Shovelhead Panhead" is in sale since Tuesday, January 30, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts".

The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.

  • Manufacturer Part Number: 10-1345

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