S&S Cycle Cylinder Kit - 910-0474 For Harley Motorcycles 2007-2017 Backrest Made from a heavy-duty

Made from a heavy-duty

the relief valve is seated and sealed to a minimum of 30 psi with full pop-off at 55-60 psi

Test results show a decrease in engine sump oil levels

All-steel construction

S&S Cycle Cylinder Kit - 910-0474 For Harley Motorcycles 2007-2017 Backrest Made from a heavy-dutyNote: This kit will require that the case be bored to accept the larger cylinders Not recommended for trike models Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings with cast in iron liners Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust)