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Holley Lower to Top Mounting Flange

Lower to top Mounting flange (For use when fabricating a sheet metal top)

PART# 300-220

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These parts should be used for the following applications: Racing/Performance/Street Rodder where hood restrictions are NOT a consideration. *** 300-220 is for older hi-rams. Screws assemble from the bottom plus the outer profile matches the older castings.

Overview

This mounting flange allows the LS enthusiast to fabricate a custom manifold top to the Holley Hi-Ram lower manifolds.

Features:

  • Hi-Ram manifold lower to top mounting flange for customer top
  • Durable Aluminum construction

Specs

BrandHolley
Emission Code4
Product TypeManifold
Thickness.500" 1/2"
Type of ComponentMounting Flange
Part Number300-220

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

These parts should be used for the following applications: Racing/Performance/Street Rodder where hood restrictions are NOT a consideration. *** 300-220 is for older hi-rams. Screws assemble from the bottom plus the outer profile matches the older castings.
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        *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

        Some parts are not legal for use in California or other states with similar regulations.