Piston Sets - Powersports

S&S Cycle 1999+ BT 4.937in 3.927in Bore Cylinder - Wrinkle Black

S&S Cycle 2007+ BT 4.250in Bore 4.840in - Wrinkle Black w/o Highlight

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...

S&S Cycle Royal Enfield 650 Twin 865cc Cylinder Liner

S&S Cycle Royal Enfield 650 Twin 750cc Cylinder Liner

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

S&S Cycle 2017+ M8 Models 4.250in Bore 4.840in Big Bore Cylinder Set - Black Granite w/ Highlight

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

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

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

S&S Cycle 2017+ M8 4.2520in Bore x 4.5in Stroke 117 to 128 Big Bore Kit

Individual cylinders and cylinder sets without pistons are bored slightly under normal size and are not honed