Carburetor, New Zenith Universal Replacement

Specifications: 2-5/16" c.c. stud holes Final Application: Fits: Avery A; MM BF, BG, R-RT (1949-52), RT (1939-48), RTI Replacement Number: Marvel Schebler TSX 30, 36, 231, 400, 421 Notes: Has 1-1/8" throttle bore. May have to trim throttle shaft length to 4.88" on some applications. Will fit manifolds w/ 2-5/16" - 2-3/8" c.c. stud holes because of the smaller dia. studs that are included.