At DMG Motorsports, we present the HARDDRIVE 40mm CV Carb Slide Diaphragm, a replacement vacuum piston and slide diaphragm designed for compatible 40mm CV carburetors. This part helps restore proper vacuum-slide operation when an existing diaphragm is worn or damaged. It fits stock 40mm CV carburetors and HARDDRIVE carburetor #40037.

Features:

• Designed for 40mm CV carburetors
• Replacement vacuum piston, slide, and diaphragm assembly
• Fits stock 40mm CV carburetors
• Compatible with HARDDRIVE carburetor #40037
• HARDDRIVE part number 820-27502