S&S Primary Chain HD 1936-86 EL, FL and FX (four speed), 84-6 Softail, 91-5 Dyna

When you twist the throttle, your motorcycle deserves more than just a link between engine and transmission- it deserves a lifeline of strength and precision. That’s where our Heavy-Duty Primary Chain and Performance Cam Chain takes charge. Designed to handle the torque and horsepower of today’s performance big twins, our chains deliver unwavering strength ride after ride. Heat-treated components and precision engineering extend chain life, reducing stretch and maintenance so you spend more time riding and less time wrenching.
11% Stronger
Increased Chain Life
Direct OEM Replacement