Complete 130” Harley-Davidson Big Bore Kit from Ward Performance, featuring CNC ported heads, pistons, camshaft, and gaskets.

Ward 130” BIG BORE KIT

    • American-Made 4.280" Cylinders (No Case Modification Required)

    • Forged CP Pistons and Rings (Pre-Set Ring Gaps)

    • Cometic Multi-Layer Steel (MLS) Head and Base Gaskets

    • Optional Ward CNC Ported Heads (Available - Additional Cost)

    • Optional Ward Performance Camshaft (Additional Cost)

    • For HD M8 Oil Cooled and Twin Cooled Models.

Starting at $2,037.31

Ward Performance 143” Big Bore Kit with ported heads, big bore cylinders, forged pistons, and race cam for max displacement and power.

WARD 143” BIG BORE KIT

    • Customer's OEM Cylinders Resleeved/Bored to 4.500" (Engine Case Modification Required)

    • Forged CP Pistons and Rings (Pre-Set Ring Gaps)

    • Cometic Multi-Layer Steel (MLS) Head and Base Gaskets

    • Optional Ward CNC Ported Heads (At Additional Cost)

    • Optional Ward Performance Camshaft (At Additional Cost)

    • For HD M8 Oil Cooled and Twin Cooled Models.

Starting at $1,900.80