Rear Tappet Block for Harley Davidson

Rear tappet block, chrome plated (OEM 18610-53, 18610-66A, B & C)

Replacement lift blocks for Panhead (late models) 1953-1965 and Shovelhead Big Twin 1966-1984. Black and chrome versions are also available as separate front and rear lift blocks. All finishes are sold as a set that includes two sets of mounting bolts: one set of 1/4" x 20 TPI bolts for late 1976-1984 models and one set of 1/4" x 24 TPI bolts for 1966-early 1976 models.