S&S CYCLE

S&S Cycle 128" Power Package Engine Performance Kit 3101109B

Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required 4-1/4" bore cylinders with 11:1 forged pistons Oil Pump/Cam Plate S&S oil...

S&S Cycle 128" Power Package Engine Performance Kit 3101110A

Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required 4-1/4" bore cylinders with 11:1 forged pistons Oil Pump/Cam Plate S&S oil...

S&S Cycle 129" Power Package Engine Performance Kit 3101223

Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump Independent scavenge sections for flywheel cavity and cam...

S&S Cycle 129" Power Package Engine Performance Kit 3101224

Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump Independent scavenge sections for flywheel cavity and cam...

S&S Cycle 129" Power Package Engine Performance Kit 3101225

Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump Independent scavenge sections for flywheel cavity and cam...

S&S Cycle 129" Power Package Engine Performance Kit 3101226

Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump Independent scavenge sections for flywheel cavity and cam...

S&S Cycle 129" Power Package Engine Performance Kit 3101227

Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump Independent scavenge sections for flywheel cavity and cam...

S&S Cycle 129" Power Package Engine Performance Kit 3101228

Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump Independent scavenge sections for flywheel cavity and cam...

S&S Cycle 131" Stroker Cylinder And Piston Kit 9100762

Huge displacement increase means huge power increase Bolt-on kit works with the stock crankcase Original engine serial numbers are retained Powder coat finish matches factory finish 045" MLS...

S&S Cycle 131" Stroker Cylinder And Piston Kit 9100763

Huge displacement increase means huge power increase Bolt-on kit works with the stock crankcase Original engine serial numbers are retained Powder coat finish matches factory finish 045" MLS...

S&S Cycle 132" Power Package Engine Performance Kit 3101229

Transform the 114" or the 117" water-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engine S&S valve springs feature high-performance conical...

S&S Cycle 132" Power Package Engine Performance Kit 3101230

Transform the 114" or the 117" water-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engine S&S valve springs feature high-performance conical...