S&S

Big Bore Kit: 107" to 124" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pist...

S&S CHAIN DRIVE 550C CAM CHEST KIT 17'-LATER M8 MODELS- CHROME, WATER COOLED High lift cam for maximizing peak torque and horsepower! Designed ...

S&S V124 engines    Perfect for applications that require great horsepower and torque, but not at the expense of dependability and engine lif...

Allows the installation of T124 Engines in Dyna models due to the engines having external oil lines straight forward and attractive. Allows the in...

S&S TOP MOTOR MOUNT FOR T143 ENGINES Specifically made for  '08 & '09-'16 Touring models to install the S&S T143 engine Includes ness...

S&S V80 ENGINE    Excellent choice for states with someone who wants a cost effective performance engine! Have an old Evo that is cracked or n...

114/117" to 132" Big Bore Kit: Wrinkle Black or Black Granite Finish Available With or Without Fin Highlighting for Wrinkle Black Bolt-On Ki...

The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, a...

S&S has been building big bore kits since the 60s and has it down to an absolute science. Our latest efforts are aimed at the Milwaukee Eight®...