Holley Header Carb SelectorView CartHolleyTVYouTubeTwitterFacebook
What item is right for you?
Ask our experts:


Suggested Retail: $9.12
Your Price: $8.21
FREE Shipping on orders over $100*
Buy Now

Vacuum Secondary Diaphragms and Service Parts

Cover-Diaphragm Housing

PART #: 20-85

UPC #: 090127108123

Standard Replacement Secondary Diaphragm Cover
Cover–Diaphragm Housing Standard

  • Cover-Diaphragm Housing
  • 1 x 4 Applications
  • Replacement Metal Cover For 4 bbl. Carburetor.

Shipping Dimensions
L 7.750 in. x W 5.500 in. x H 0.500 in.
Weight 0.200 lb.
*Free Shipping & Handling only offered to the continental US on orders over $100.

Holley | Hooker Headers | Earl's | Weiand | NOS | Flowtech
Copyright Holley Performance Products, Inc.
NASCAR© and NASCAR Performance© are registered trademarks of the National Association for Stock Car Auto Racing, Inc.
Web Index | Terms Of Use | Vendor | Corporate | Search