S&S, Adj. Hydraulic Chromoly Shovel Tappet Set

Adjustable push rods.
Used as an original replacement for use with OEM hydraulic units.
Complete with adjusting screws. Pushrod sets are manufactured from 7/16" OD chrome-molybdenum steel tubing with pressed, heat-treated steel ends.
This combination provides maximum strength and durability, regardless of the performance application.
Replaces pushrod assembly 17904-66, complete with pushrod adjustment screw 18556-57 and locknut 18570-38.

Fits: > 66-84 Shovelhead with stock hydraulic lifters