TAP for UL & EL Manifold Insert Special HSS - 1-1/2" x 20 tpi for Manifold Insert Thread into Cylinder for 1937 - 1948 UL motors also for 1936 - 1939 Knuckle Heads
TAP for UL & EL Manifold Insert Special HSS - 1-1/2" x 20 tpi for Manifold Insert Thread into Cylinder for 1937 - 1948 UL motors also for 1936 - 1939 Knuckle Heads
