Sold Out Quick view S&S Cycle S&S Cycle 2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Non-Highlighted Cylinders - 910-0844A Compare $1,643.99 The biggest Big Bore possible with a slip in kit! The S&S 4.320" bore cylinder kit takes your 107" M8 to 129" and the 114" to 132" 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 Cyl Kit +8.5cc Dome (Blk Gran w/ Fins) - 4.320in Bore - 910-0911A Compare $1,849.99 S&S Cycle 2017+ M8 Models 132in/136in Big Bore Cyl Kit +8.5cc Dome (Blk Gran w/ Fins) - 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 (Blk Granite w/ Fins) - 4.320in Bore - 910-1010A Compare $1,849.99 S&S Cycle 2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk Granite w/ Fins) - 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 (Blk w/ Highlighted Fins) - 4.320in Bore - 910-1008A Compare $1,849.99 S&S Cycle 2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/ Highlighted Fins) - 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 (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!