Harley-Davidson Formula+ Transmission and Primary Chaincase Oil Skull These covers are designed to

These covers are designed to provide a clean and polished look to your Harley-Davidson motorcycle

Safety is paramount

5" diameter grips are easy to install

Thermally mapped to deliver more uniform heat

H-D Skull Pub Sign

Harley-Davidson Formula+ Transmission and Primary Chaincase Oil Skull These covers are designed toThe updated VM in Formula+ adds more thickening efficiency and is more shear stable than the old formula by over 30%. This new formulation provides better film thickness and allows for better load carrying capacity and bearing protection in the transmission. Developed with a formula of mineral base patented and certified and approved by Harley Davidson, Formula + is a product created to contribute to the transmission gears lubrication necessary to