The only sure way of knowing that your Holley carburetor will be brought back to original specifications and like new condition is by using original Holley components.

Secondary Diaphragm Kit

Features and Benefits:

• rod length is 1.97 inch

Details:

• Diaphragm Material: Viton
• Grade Type: OEM
• Material: Viton
• Mounting Hole Quantity: 1
• Warranty: Manufacturer's Limited 90 Day Warranty