S&S Cycle 129" Big Bore Cylinder Kit for 107" M8 Engines - Wrinkle Black Finish

Product type: Big Bore Kits

SKU : 0931-1080

Regular price $1,499.95 USD

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129" Big Bore Cylinder Kit - Wrinkle Black w/o Highlighted Fins - For 107" Engine - M8 Upgrade your Harley-Davidson M8 engine...

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129" Big Bore Cylinder Kit - Wrinkle Black w/o Highlighted Fins - For 107" Engine - M8

Upgrade your Harley-Davidson M8 engine with the S&S Cycle 129" Big Bore Cylinder Kit, part number 910-0844. Designed for seamless bolt-on installation, this kit does not require machining of the crankcase, allowing for a straightforward upgrade process. The kit retains the original engine serial numbers, ensuring compliance and ease of identification. Featuring MLS (multi-layered steel) head gaskets, it provides enhanced sealing and durability for high-performance applications. The kit maintains stock engine height, preserving factory clearance and compatibility with existing components. Included are a cam cover badge, all necessary gaskets, and hardware, making installation quick and complete. Proudly made in the USA, this kit is built to meet high standards of quality and performance, delivering increased displacement and power without sacrificing reliability.

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