Crankshafts & Rods

Pro-X offers a complete line of piston pin bearings for the Dirtbike, Snowmobile, ATV and PWC engines. The piston pin bearings are manufactured by the leading Japenese OEM factories. All piston pin bearings are designed and developed to OEM...

S&S - 106 Inch Twin Cam Stroker Flywheel Kit Made in the U.S.A. Stock cylinders will require boring to 3.875 inch, or use the 106 inch big bore kit. Include assembled flywheels with shafts and instructions. Do not require any motor case...

S&S - 106 Inch Twin Cam Stroker Flywheel Kit Made in the U.S.A. Stock cylinders will require boring to 3.875 inch, or use the 106 inch big bore kit. Include assembled flywheels with shafts and instructions. Do not require any motor case...

Machined from 4140 forged steel and heat treated for maximum strength Feature the exclusive .750" long S&S rocker arm bushing which provides 50% more load bearing surface than stock .500" bushings Can be oiled through pushrods when used...

Machined from 4140 forged steel and heat treated for maximum strength Feature the exclusive .750" long S&S rocker arm bushing which provides 50% more load bearing surface than stock .500" bushings Can be oiled through pushrods when used...

Crankpin nut for 1941-1984 big twin flywheels and 1981-1999 S&S 5-piece flywheels Made in the U.S.A. Compatible Vehicles Years Make Make Notes 1995-1997 Harley-Davidson Bad Boy FXSTSB 1983 Harley-Davidson Disc Glide...

Complete standard size connecting rod cage and bearing set, as used on 1.25" crankpins on 1941-1999 big twin engines and V96, V107 and V113 S&S engines High-quality OE replacement components Made in the U.S.A. Compatible...

S&S - CRANKCASE BREATHER REED VALVE Made in the U.S.A. By opening and closing "on demand," the reed valves automatically compensate for the lag time associated with accelerating the mass of air as it is forced out of the crankcase,...

S&S - CRANKCASE BREATHER REED VALVE Made in the U.S.A. By opening and closing "on demand," the reed valves automatically compensate for the lag time associated with accelerating the mass of air as it is forced out of the crankcase,...

S&S crankpin - Made in the U.S.A. Include crankpin, nuts and key (where required). Compatible Vehicles Years Make Make Notes 1958-1964 Harley-Davidson Duo Glide FL 1958-1964 Harley-Davidson Duo Glide FLF 1958-1964 Harley-Davidson Duo...

S&S crankpin - Made in the U.S.A. Include crankpin, nuts and key (where required). Compatible Vehicles Years Make Make Notes 1995-1997 Harley-Davidson Bad Boy FXSTSB 1983 Harley-Davidson Disc Glide FXDG 1984 Harley-Davidson Disc Glide...

S&S crankpin - Made in the U.S.A. Include crankpin, nuts and key (where required). Compatible Vehicles Years Make Make Notes 1978-1981 Harley-Davidson Roadster XLS 1977-1978 Harley-Davidson Sportster 1000 Touring...