Bel-Ray Big Twin Transmission and Primary Oils

Bel-Ray Big Twin Transmission and Primary Oils Big Twin Transmission Oil: Formulated for gears in heavily loaded transmissions/gear boxes, For Big Twin transmissions and final drives, Recommended for 4, 5 & 6 speed Big Twin transmissions, Extreme pressure additives to reduce component wear, Distinctive red color for leak detection, Wear protection extends gear life, Easier to find neutral & reduces/eliminates common V-Twin transmission clunk. Big Twin Primary Oil: Quiets gear whine and improves shiftingflow freely for better clutch cooling, Prevents clutch slipping & chatter for consistent engagement & increased performance, Reduces compensator chatter, Distinctive red color for leak detection, Wear protection extends primary chain life, Suitable in all Big Twin primaries, Increased horsepower & torque.