S&S Cycle Air Stinger High Flow Air Cleaner Kit

The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element.

S&S Cycle 590 Cam for Big Bore M8 Models

The new cam is designed to work with their 131-in. stroker kit and other huge bore combinations.

S&S Cycle Forged Roller Rockers for M8

Valve thrust and valvetrain wear in big lift cam applications drove the S&S engineers to design stronger, more durable components that will help you get the most out of your M8.

High Performance Flywheel Assemblies for M8

Using a heat-treated 4140 material, each assembly is harder and 114% stronger than factory parts.

S&S GNX 4.5-in. Slip-On for Harley-Davidson Touring Models

Combining a 4.5-in. shell with a tuned baffle and race inspired tip, the GNX lets the sound and power flow out of the M8.