• Holley Diaphragms 20-28 Item Image
1 1
Holley EFI

Holley Cover-Diaphragm Housing

Holley Cover-Diaphragm Housing

sku: 1D54X | mpn: 20-28
$174.94
$174.94 $174.94
Sale Sold out

Out of stock

Not sure this is the right part? Ask us to check fitment. Include your year, make, model, engine and manufacturer part number.

Need this part?

This item is currently unavailable. Ask us about availability or help finding a suitable replacement.

Ask about availability or fitment

Year, make, model and engine help us check fitment.

We'll reply to your inquiry by email. This is not an automatic restock alert.

Shipping & returns

This selection is unavailable. Ask us to confirm availability and timing.

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

Read the shipping policy
Return policy

Cover-Diaphragm Housing To Balanace Secondary Operations On a 2 x 4 bbl. Application

Features:
  • Cover-Diaphragm Housing
  • Allows vacuum hookup between carburetors for more even and balanced secondary operation.
 
 Specs
Color Zinc
Material Zinc
Product Type Vacuum Secondary Cover
View full details

Vehicle fitment