Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/o Highlighted Fin) - 4.320in Bore - 910-1009A Compare $1,849.99 S&S Cycle 2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/o Highlighted Fin) - 4.320in Bore Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/ Fins) - 4.320in Bore - 910-0909A Compare $1,849.99 S&S Cycle 2017+ M8 Models 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/ Fins) - 4.320in Bore Currently Out of stock. On order! Currently Out of stock. On order!
Quick view S&S Cycle S&S Cycle 2017+ M8 Models 3/8-16 x 1-3/8in Backplate Vent Screw - 170-0590 Compare $49.99 S&S Cycle 2017+ M8 Models 3/8-16 x 1-3/8in Backplate Vent Screw Add to Cart Add to Cart
Quick view S&S Cycle S&S Cycle 2017+ M8 Models 3/8-16 x 1-3/8in Backplate Vent Screw - 170-0651 Compare $49.99 S&S Cycle 2017+ M8 Models 3/8-16 x 1-3/8in Backplate Vent Screw Add to Cart Add to Cart
Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.2500in Bore Piston Ring Set - .010in - 940-0062 Compare $168.99 S&S Cycle 2017+ M8 Models 4.2500in Bore Piston Ring Set - .010in Add to Cart Add to Cart
Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.250in Bore - 1 Pack - 940-0059 Compare $94.99 S&S Cycle 2017+ M8 Models 4.250in Bore - 1 Pack Add to Cart Add to Cart
Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.250in Bore - 2 Pack - 940-0060 Compare $168.99 S&S Cycle 2017+ M8 Models 4.250in Bore - 2 Pack Add to Cart Add to Cart
Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight - 910-0762A Compare $1,643.99 S&S has been building big bore kits since the 60s and has it down to an absolute science. Their latest efforts are aimed at the Milwaukee Eight® platform (2017 and newer big twins) and open up a... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.250in Bore 4.375in Stroke Cylinder Kit - Wrinkle Black w/o Highlight - 910-0681A Compare $1,643.99 S&S Cycle 2017+ M8 Models 4.250in Bore 4.375in Stroke Cylinder Kit - Wrinkle Black w/o Highlight Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.250in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight - 910-0685A Compare $1,643.99 S&S Cycle 2017+ M8 Models 4.250in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.250in Bore 4.840in Big Bore Cylinder Set - Black Granite w/ Highlight - 910-0739A Compare $977.99 S&S Cycle 2017+ M8 Models 4.250in Bore 4.840in Big Bore Cylinder Set - Black Granite w/ Highlight Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 4.250in Bore 550C Cam w/ Black Pushrods Power Pack - Black w/ Highlight - 310-1054C Compare $3,294.99 The S&S Power Package is the ideal combination of performance and savings designed to transform your engine without breaking the bank. The latest kits combine our biggest big bore cylinders (4.32 in... Currently Out of stock. On order! Currently Out of stock. On order!