Tappets come with .761″ O.D. (stock is .731″). Stock replacement tappets for JIMS 961375; 961367; 961373 and 961368 tappet block kits for Shovelheads only. The tappet guides in these kits will work with these extra large O.D. tappets only.
JIMS, .761″ extra wide Powerglide tappet. Std size
€211.10
66-84 Shovel with special JIMS tappet guides that take large bore .761″ tappets