S&S Cycle 2017+ M8 Models 4.250in Bore Front Cylinder - Wrinkle Black w/ Highlight - 910-0675

S&S Cycle 2017+ M8 Models 4.250in Bore Front Cylinder - Wrinkle Black w/ Highlight

S&S Cycle 2017 M8 Models 4.250in Bore Rear Cylinder - Wrinkle Black w/o Highlight - 910-0674

S&S Cycle 2017 M8 Models 4.250in Bore Rear Cylinder - Wrinkle Black w/o Highlight

S&S Cycle 07-17 BT Models 110in Sidewinder Big Bore Kit - Wrinkle Black - 910-0651

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do...

S&S Cycle 07-17 BT Models 110in Sidewinder Big Bore Kit - Silver - 910-0650

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do...

S&S Cycle 99-06 BT 4in Bore 4in Stroke Cylinder Kit - Wrinkle Black w/ Highlight - 910-0646

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do...

S&S Cycle 99-06 BT Models 100in Sidewinder Big Bore Kit - Silver - 910-0642

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do...

S&S Cycle 2017 M8 Touring 4.250in Bore x 4.375in Stroke 107 To 124 Big Bore Kit - 910-0625A

S&S Cycle 2017 M8 Touring 4.250in Bore x 4.375in Stroke 107 To 124 Big Bore Kit

S&S Cycle 1999+ BT 4.425in Bore Cylinder Set - Wrinkle Black - 910-0565

S&S Cycle 1999+ BT 4.425in Bore Cylinder Set - Wrinkle Black

S&S Cycle 07-17 BT 107in Bolt-In Big Bore Kit - Wrinkle Black - 910-0500

This bolt-in big bore kit is easy to install, and requires no machining or rebalancing. This is the largest bore (3.937") that can be fit in a stock engine case. Stock engine height is maintained so...

S&S Cycle 07-16 BT 11 Fin 4-1/8in Bore Cyl Set For 117in & 117in Dish Hot Set Up Kit - Stone Gray - 910-0497

S&S Stone Gray powder coat finish that matches the Granite color of a "stock" CVO engine. Easily bump-up the displacement of CVO 110 engines. Improved cylinder liner design for added rigidity and...

S&S Cycle 07-16 BT 4-1/8in Bore Cylinder Set For 124in & 124in Dish - Stone Gray - 910-0494

S&S Stone Gray powder coat finish that matches the Granite color of a "stock" CVO engine. Easily bump-up the displacement of CVO 110 engines Improved cylinder liner design for added rigidity and...

S&S Cycle 99-06 BT 98in Bolt-In Big Bore Kit - Wrinkle Black - 910-0481

This bolt-in big bore kit is easy to install, and requires no machining or rebalancing. Stock engine height is maintained so there are no manifold or frame fitment issues. The S&S 11 fin cylinder...