Red Line 42904 V-Twin Primary Case Oil

Where most synthetics are too slippery for clutch operation, this friction-balanced product is balanced to provide less slip, smoother operation and helps to apply more power in modified engines. Same fluid as our famous MTL gear oil. Improves clutch operation while reducing wear and temperature. This product is for use in the primary chaincase with wet-diaphragm spring clutches For 1984 to present V-Twin American motorcycle engines, including Evolution, Twin Cam and aftermarket engines of similar design Made in USA.