Morel solid roller lifter for Chevrolet – Stock diameter. Fits .842″ lifter bore diameter LS/LT/SBC Chevy applications & others.

Black Mamba Features-

The Black Mamba Mechanical lifters are made from a billet body with a pined axle and have 9000 + RPM capability. The Black Mamba’s have an axle diameter of .470” with full time pressurized oiling. They have Diamond-Like Coating (DLC) for less friction and wear durability. These lifters have a .750” diameter roller wheel. These lifters have a special break-in lube between the axle and roller wheel and should not be washed with solvent prior to installation. These lifters also require a break-in period of 25-30 minutes varying the RPM from 1800-2200 RPM. Recommended Spring Pressure 150-400lbs Seat Pressure 550-1000lbs Open Pressure