Premium Carburetor Rebuild Kit - Packaged: EMPI 40/44 HPMX & Weber 40/44IDF Kit Contents: Carburetor Top Seals Carburetor Base Seals Accelerator Pump Membrane Vacuum Membrane Volume Control Screws 2 Floats Throttle Return Spring Cotter Pin C-Clip Return Spring and Washer Comprehensive Carburetor Rebuild Kit - Boxed, compatible with EMPI 40/44 HPMX and Weber 40/44IDF. Kit contents: Carburetor Top & Base Gaskets, Accelerator & Vacuum Diaphragms, Volume Control Screws, 2 Floats, Throttle Return Spring, Cotter Pin, C-Clip, and Return Spring with Washer.