JIMS, 57-85 tappet adjusting screws

57-85 XL with 9/32-32 threaded tappets (NU)

With 5/16" ball-end. 9/32"-32 threaded. Fits JIMS, OEM 18508-52B and any other adjustable tappets with 9/32"-32 threads. Note: See 513466 for matching lock nut.