Adjustable pushrods. Used as stock replacement for use with OEM hydraulic units. Complete with adjustment screws. Pushrod sets are manufactured of 7/16" O.D. chromoly steel tubing with pressed-in and heat treated steel ends. This combination provides maximum strength and durability, regardless of performance application. Replaces 17904-66 pushrod assembly, complete with 18556-57 tappet adjusting screw and 18570-38 lock nut.
Fits: > 66-84 Shovelhead with stock hydraulic lifters (NU)
