Red Line V-twin Motorcycle Primary Oil

V-Twin Primary Case Oil - Quart

For 1984-to-present V-Twin American motorcycle engines, including Milwaukee-Eight, Evolution, Twin Cam and aftermarket engines of similar design

Same fluid as our famous MTL gear oil

Improves clutch operation while reducing wear and temperature

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

This product is for use in the primary chain case with wet clutches

Suitable for primary case in older British bikes

Typical Properties

API Service Class GL-4

SAE Viscosity Grade (Gear Oil) 75W80

SAE Viscosity Grade (Motor Oil) 5W30

Vis @ 100°C, cSt 10.4

Vis @ 40°C, cSt 50.8

Viscosity Index 201

Pour Point, °C -50

Pour Point, °F -58

Brookfield Vis @ -40°C, P 120