Engine Performance Kits

Engine Performance Kits

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  • S&S Sidewinder 4" Big Bore Kit 110" for 2007-2017 Harley Twin Cam - Black S&S Sidewinder 4" Big Bore Kit 110" for 2007-2017 Harley Twin Cam - Black

    S&S Sidewinder 4" Big Bore Kit 110" for 2007-2017 Harley Twin Cam - Black

    S&S Cycle

    $1,178.95
    Inspired by Pro Stock Drag Race engines, these 4" Big Bore kits from S&S Cycle delivery a serious punch of power in a bolt-on application. Black finish. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring) Bolt in - no machining,...
    $1,178.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,178.95
    Subtotal:
  • S&S Sidewinder 4" Big Bore Kit 110" for 2007-2017 Harley Twin Cam - Silver S&S Sidewinder 4" Big Bore Kit 110" for 2007-2017 Harley Twin Cam - Silver

    S&S Sidewinder 4" Big Bore Kit 110" for 2007-2017 Harley Twin Cam - Silver

    S&S Cycle

    $1,178.95
    Inspired by Pro Stock Drag Race engines, these 4" Big Bore kits from S&S Cycle delivery a serious punch of power in a bolt-on application. Silver finish,. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring) Bolt in - no machining,...
    $1,178.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,178.95
    Subtotal:
  • S&S Sidewinder 4" Big Bore Kit 100" for 1999-2006 Harley Twin Cam - Black S&S Sidewinder 4" Big Bore Kit 100"  for 1999-2006 Harley Twin Cam - Black

    S&S Sidewinder 4" Big Bore Kit 100" for 1999-2006 Harley Twin Cam - Black

    S&S Cycle

    $1,178.95
    Inspired by Pro Stock Drag Race engines, these 4" Big Bore kits from S&S Cycle delivery a serious punch of power in a bolt-on application. Black finish. Fits: 1999-2006 Harley Twin Cam Models (Except '99 Softail Models) Bolt in - no machining,...
    $1,178.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,178.95
    Subtotal:
  • S&S Sidewinder 4" Big Bore Kit 100" for 1999-2006 Harley Twin Cam - Silver S&S Sidewinder 4" Big Bore Kit 100" for 1999-2006 Harley Twin Cam - Silver

    S&S Sidewinder 4" Big Bore Kit 100" for 1999-2006 Harley Twin Cam - Silver

    S&S Cycle

    $1,178.95
    Inspired by Pro Stock Drag Race engines, these 4" Big Bore kits from S&S Cycle delivery a serious punch of power in a bolt-on application. Silver finish,. Fits: 1999-2006 Harley Twin Cam Models (Except '99 Softail Models) Bolt in - no machining,...
    $1,178.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,178.95
    Subtotal:
  • S&S 110" Power Package Kit Gear Drive for 2007-2017 Harley Twin Cam - Black S&S 110" Power Package Kit Gear Drive for 2007-2017 Harley Twin Cam - Black

    S&S 110" Power Package Kit Gear Drive for 2007-2017 Harley Twin Cam - Black

    S&S Cycle

    MSRP: $2,992.95
    $2,592.95
    Upgrade that old Twin Cam engine to a 110" Monster with the S&S Power Package Kit from S&S Cycle. Black finish with Gear Drive. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring Models) Largest big bore kits available without doing...
    MSRP: $2,992.95
    $2,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,992.95
    $2,592.95
    Subtotal:
  • On Sale
    S&S 110" Power Package Kit Chain Drive for 2007-2017 Harley Twin Cam - Black S&S 110" Power Package Kit Chain Drive for 2007-2017 Harley Twin Cam - Black

    S&S 110" Power Package Kit Chain Drive for 2007-2017 Harley Twin Cam - Black

    S&S Cycle

    MSRP: $2,992.95
    Now: $2,487.95
    Upgrade that old Twin Cam engine to a 110" Monster with the S&S Power Package Kit from S&S Cycle. Black finish with Chain Drive. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring Models) Largest big bore kits available without doing...
    MSRP: $2,992.95
    Now: $2,487.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,992.95
    Now: $2,487.95
    Subtotal:
  • On Sale
    S&S 110" Power Package Kit Gear Drive for 2007-2017 Harley Twin Cam - Silver S&S 110" Power Package Kit Gear Drive for 2007-2017 Harley Twin Cam - Silver

    S&S 110" Power Package Kit Gear Drive for 2007-2017 Harley Twin Cam - Silver

    S&S Cycle

    MSRP: $2,992.95
    Now: $2,592.95
    Upgrade that old Twin Cam engine to a 110" Monster with the S&S Power Package Kit from S&S Cycle. Silver finish with Gear Drive. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring Models) Largest big bore kits available without doing...
    MSRP: $2,992.95
    Now: $2,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,992.95
    Now: $2,592.95
    Subtotal:
  • S&S 110" Power Package Kit Chain Drive for 2007-2017 Harley Twin Cam - Silver S&S 110" Power Package Kit Chain Drive for 2007-2017 Harley Twin Cam - Silver

    S&S 110" Power Package Kit Chain Drive for 2007-2017 Harley Twin Cam - Silver

    S&S Cycle

    MSRP: $2,887.95
    $2,487.95
    Upgrade that old Twin Cam engine to a 110" Monster with the S&S Power Package Kit from S&S Cycle. Silver finish with Chain Drive. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring Models) Largest big bore kits available without...
    MSRP: $2,887.95
    $2,487.95
    Qty in Cart: 0
    Price:
    MSRP: $2,887.95
    $2,487.95
    Subtotal:
  • S&S 100" Power Package Kit Gear Drive for 1999-2006 Harley Twin Cam - Black S&S 100" Power Package Kit Gear Drive for 1999-2006 Harley Twin Cam - Black

    S&S 100" Power Package Kit Gear Drive for 1999-2006 Harley Twin Cam - Black

    S&S Cycle

    MSRP: $2,992.95
    $2,592.95
    Upgrade that old worn engine to a 100" Monster with the S&S Power Package Kit from S&S Cycle. Black finish with Gear Drive. Fits: 1999-2006 Harley Twin Cam Models (Except 06 Dyna and 99 Softail Models) Largest big bore kits available without...
    MSRP: $2,992.95
    $2,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,992.95
    $2,592.95
    Subtotal:
  • S&S 100" Power Package Kit Chain Drive for 1999-2006 Harley Twin Cam - Black S&S 100" Power Package Kit Chain Drive for 1999-2006 Harley Twin Cam - Black

    S&S 100" Power Package Kit Chain Drive for 1999-2006 Harley Twin Cam - Black

    S&S Cycle

    MSRP: $2,887.95
    $2,487.95
    Upgrade that old worn engine to a 100" Monster with the S&S Power Package Kit from S&S Cycle. Black finish with Chain Drive. Fits: 1999-2006 Harley Twin Cam Models (Except 06 Dyna and 99 Softail Models) Largest big bore kits available without...
    MSRP: $2,887.95
    $2,487.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,887.95
    $2,487.95
    Subtotal:
  • S&S 100" Power Package Kit Gear Drive for 1999-2006 Harley Twin Cam - Silver S&S 100" Power Package Kit Gear Drive for 1999-2006 Harley Twin Cam - Silver

    S&S 100" Power Package Kit Gear Drive for 1999-2006 Harley Twin Cam - Silver

    S&S Cycle

    MSRP: $2,992.95
    $2,592.95
    Upgrade that old worn engine to a 100" Monster with the S&S Power Package Kit from S&S Cycle. Silver finish with Gear Drive. Fits: 1999-2006 Harley Twin Cam Models (Except 06 Dyna and 99 Softail Models) Largest big bore kits available without...
    MSRP: $2,992.95
    $2,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,992.95
    $2,592.95
    Subtotal:
  • S&S 100" Power Package Kit Chain Drive for 1999-2006 Harley Twin Cam - Silver S&S 100" Power Package Kit Chain Drive for 1999-2006 Harley Twin Cam - Silver

    S&S 100" Power Package Kit Chain Drive for 1999-2006 Harley Twin Cam - Silver

    S&S Cycle

    MSRP: $2,887.95
    $2,487.95
    Upgrade that old worn engine to a 100" Monster with the S&S Power Package Kit from S&S Cycle. Silver finish with Chain Drive. Fits: 1999-2006 Harley Twin Cam Models (Except 06 Dyna and 99 Softail Models) Largest big bore kits available...
    MSRP: $2,887.95
    $2,487.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,887.95
    $2,487.95
    Subtotal:
  • S&S 96" Sidewinder Big Bore Kit for 1984-1999 Harley Big Twins - Wrinkle Black

    S&S 96" Sidewinder Big Bore Kit for 1984-1999 Harley Big Twins - Wrinkle Black

    S&S Cycle

    $2,141.95
    Instead of upgrading to a Larger displacement engine, consider this Big Bore Stroker Kit from S&S. Wrinkle Black finish. Fits: 1984-’99 Harley-Davidson® Evolution® big twin engines. Kits include standard flywheel assembly, 3 5/8"...
    $2,141.95
    Qty in Cart: 0
    Price:
    $2,141.95
    Subtotal:
  • S&S 96" Sidewinder Big Bore Kit for 1984-1999 Harley Big Twins - Natural

    S&S 96" Sidewinder Big Bore Kit for 1984-1999 Harley Big Twins - Natural

    S&S Cycle

    $2,141.95
    Instead of upgrading to a Larger displacement engine, consider this Big Bore Stroker Kit from S&S. Natural finish. Fits: 1984-’99 Harley-Davidson® Evolution® big twin engines. Kits include standard flywheel assembly, 3 5/8" bore...
    $2,141.95
    Qty in Cart: 0
    Quantity:
    Price:
    $2,141.95
    Subtotal:
  • S&S 96" Hot Set Up Big Bore Stroker Kit for 1993-1999 Harley Big Twins

    S&S 96" Hot Set Up Big Bore Stroker Kit for 1993-1999 Harley Big Twins

    S&S Cycle

    $4,283.95
    Rebuild that Evo and make it scream! Fits: 1984-’99 Harley-Davidson® big twin chassis and custom frames designed for Evolution® big twin engines. Kit contains nearly everything needed to take a stock 80" Harley-Davidson Evolution Big...
    $4,283.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4,283.95
    Subtotal:
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