OS Engines 44281100 Carburetor Body FS-52 FEATURES: This is just the aluminum body for the Carb.;INCLUDES: 1 Carb Body.;REQUIRES: The rest of the Carb parts. SPECS: The I.D for the venturi is 6mm. The I.D for the mounting side of the carb is 8.5mm. COMMENTS: The part number for the complete carb is OSMG2492. 11/11/96. SJM.