Threaded adjuster screws into the pushrod until the threads disengage and the adjuster simply slides into the pushrod making installation or removal a snap. Ball ends of the pushrods are drilled in all versions except those for use with the stock Shovelhead rocker arms so that oil can flow through the pushrod.
* For access to adjuster unit, S&S Pushrod Covers or similar aftermarket product must be used on Twin Cam motors
* Can be installed or removed from a assembled engine
Note: Designed for use with Evolution and Twin Cam 88 style hydraulic tappets. they are not compatible with stock or aftermarket Shovelhead hydraulic tappet or most solid style tappets.
Requires 88-99 Big Twin style pushrod covers.