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Holley

Holley 20-28 Diaphragm Housing Cover

Part # 20-28 Be the first to write a review

Cover-Diaphragm Housing 2 x 4 bbl. Application

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Holley 20-28 Diaphragm Housing Cover

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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.
Brand Holley
Emission Code5
Product TypeDiaphragm Housing Covers
UPC090127035962
Manufacturer Part Number20-28
Part Number20-28
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions for Part# 20-28

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