Regal Sportback
Replacement Numbers 0231633-9
Block Has Been Cleaned Magged And Bored Oversize
RTU Using ZENITH replacement Carburetor NOT MARVEL SCHEBLER)
1/8" NPT to 1/4" Compression: JJS1993
Carburetor Main Jet Adjustment Needle Assy Fits Cockshutt E2 20 Tractors Zenith Regal SportbackZenith Carburetor Main Jet Adjusting Needle Assembl Fits: Cockshutt E2, 20, E3, 30, E4, 40, E5, 50, 540 Tractors Specifications 3 8"" 24 thread Also fits Power Units with listed carburetors Please make sure that your carburetor number is in the list 08964A, Zenith, 08964B, Zenith, 09667A, Zenith, 10002, Zenith, 10004, Zenith, 10012, Zenith, 10085, Zenith, 10091, Zenith, 10117, Zenith, 10129, Zenith, 10131, Zenith, 10134, Zenith, 10135, Zenith, 10136,