Made of high-strength forged steel and designed for stock and high-performance custom applications Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for...

Super E has a 1-7/8" throat at the butterfly and a 1-9/16" venturi and is recommended for use on Big Twin or Sportster engines up to 100-cubic-inch Four fuel delivery ports - Better...

The S&S inner primary bearing race features an extra step on the inside diameter that acts as a stop on the transmission mainshaft. When the race is pressed on to the shaft, the step will not allow...

Used to install a stock CV carburetor on S&S 3.625", 4" and 4.125" bore motors 125.38mm cylinder length Will also fit S&S Hot Setup and Super Stock head kits Made in the U.S...

Super E has a 1-7/8" throat at the butterfly and a 1-9/16" venturi and is recommended for use on Big Twin or Sportster engines up to 100-cubic-inch Four fuel delivery ports - Better...

Solves the problem of oil carryover in Twin Cam "A" motors with stock oil pump Oil carryover is oil that comes out of your breather and all over your bike Easy-to-install when changing...

Flywheels are CNC machined from heat-treated, closed die, steel forgings, and are stronger than cast iron or late style steel flywheels Dynamically balanced and fully assembled with premium quaility...

Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the U.S.A. Compatible Vehicles Years Make Make Notes 1999-2000 Harley-Davidson Dyna Convertible...

Super E has a 1-7/8" throat at the butterfly and a 1-9/16" venturi and is recommended for use on Big Twin or Sportster engines up to 100-cubic-inch Not For Models With Vertical...

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance Bolt-in kits do...

Machined from 6061 aluminum and clear anodized for durability and years of enjoyment Signature stealth cover ring