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Harley Davidson 107 Twin Cam Big Bore Kit 3.937 10.51 Compression Wiseco
Harley Davidson 107 Twin Cam Monster Bore Kit. Brand New Wiseco Tracker Forged Pistons 10.5:1 compression. Bored and Honed with Jims Torque Plates in our machine shop in Logan Ohio. New dowel pins installed and gasket surface machined. Includes new pistons wrist pins wrist pin clips and rings.