Cover-Diaphragm Housing Quick Change with Balance Tube Holley

Allows You To Change The Secondary Diaphragm Spring Without Disturbing The Diaphragm Has Balance Tube For 2X4 bbl. Application

Features and Benefits:

• Cover-Diaphragm Housing (Quick Change) Expedites Changing Of Vacuum Spring.

Details:

• Color: Black
• Material: Plastic
• Warranty: Manufacturer's Limited 90 Day Warranty