Main adjustment needle for Marvel Schebler "Big Bowl" carburetors, often found on tractors with the 172 engine (Ford 800, 900, 4000 4-cylinder).
OEM: 739561
Main adjustment needle for Marvel Schebler "Big Bowl" carburetors, often found on tractors with the 172 engine (Ford 800, 900, 4000 4-cylinder).
OEM: 739561