Colony Lock Nuts Thrust Adjuster Screw for Harley Davidson

9/32"-32 thread.
Fits all tappets that accept 9/32-32 threaded adjusting screws.
Replaces OEM 18570-38.
85 XL, JIMS 517747/S&S 531332/Import 517745 for 36-52 Pan & Knuckle, JIMS 517746 for 36-52 Pan & Knuckle specials with top end lubrication through the pushrods, Import 556634 for 53-84 Pan, Shovel.

Fits: > 15-85 all HDs (excl. all Evolution Big Twins)