Jims, Tappet Block Alignment Screws Oil Pump for Harley-Davidson

Used to align the oil pump with the camshaft support plate on Twin Cams.

Helps reduce oil pump scavenging inefficiency due to misalignment.

It is also used to align the tappets on the L76-99 BT models so that the tappets rotate correctly on the camshaft.

1/4"-20 thread.

Two alignment screws are used.

Fits: > Oil Pump: Twin Cam (NU) 99-17; Tappets: L76-99 BT (except Twin Cam).