Primary Oil

 Formulated for primary chains and wet clutches  Wear protection extends primary chain life  Prevents clutch slipping and chatter for consistent engagement  Distinctive red color for leak detection  For Big Twin, air-cooled...

PRIMARY CHAIN CASE OIL Smooth clutch action, less slippage Extends chain and sprocket life Delivers cooler and quieter operation Designed for heavy duty, high performance application Meets or exceeds all OEM requirements

Same fluid as our famous MTL gear oil This product is for use in the primary chaincase with wet-diaphragm spring clutches. Improves clutch operation while reducing wear and temperature For 1984-to-present V-Twin American motorcycle engines,...

S&S Cycle - High-Performance Full-Synthetic Primary Oil fits Big Twin Models - 1 U.S. Quart Features: Advanced additives extend chain life Full-synthetic formula resists shear and extends life For use in Big Twin primaries Available in 1-quart...