Part Description
Manifold screws, 1930-1939 Big Twin, 1940 WL, all WLD-1952 OHV Big Twin, all late 1942-1952 Sidevalves, 5/16-18x5/8", parkerized, set of 3, Colony (OEM 27421-30)
Text excerpt from the catalog:
Nuts, bushings and nipples for the manifold, also known as inlet pipe, for 45CI and older Big Twin.