Hydrosolid Tappet. .8425″ O.D.

JIM’S, Hydrosolid tappet. Standard .8425″ O.D.

Details

Must be used with adjustable pushrods. Jim’s ‘Hydrosolid’ tappets have broken the limitations of all previous hydraulic tappet designs and is the best Jim’s tappet that is offered. This tappet works like a hydraulic tappet to about 5500 RPM, and then turns into a solid al the way up to where your rev. limiter takes control. At the time it turns into a solid the Jim’s Hydrosolid will add 3-6 horsepower. Even when the tappet rollers start lifting of the back of your cam you can be sure the Jim’s Hydrosolid will never pump-up. Repl. 18523-86A. Note: Must be used with adjustable pushrods.

Fitment

84-99 Evo Big Twin, 86-90 Sportster; 87-90 Buell Code: Specifications

Part Numbers