Harley Shovelhead Manifold Late Heads, L1978-84 (OEM Casting #27021-78)
OEM "78" casting for late Shovelhead & XL Ironheads with band style heads, late 1978-84.
Stock aluminum construction. Seal surfaces remain square and unblemished, and both flange bolt holes have nice, round shape, not egged or worn.
112421 CR-4 (21 03 28, 16-21)