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Mr. Gasket Copper Seal Collector Gaskets -Pair

Mr. Gasket Copper Seal Collector Gaskets -Pair

Part # 7178C Be the first to write a review

Fits 3-1/2 Inch Diameter 3-Bolt Round Header Collectors

Estimated Ship Date: 11/25/2026

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$44.39

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Mr. Gasket Copper Seal Collector Gaskets are made from dead soft solid copper .043 inch thick. This gasket incorporates .051 inch embossment around the port to seal irregular surfaces. Designed for high-performance street, drag race, oval track and turbocharged (extreme heat) applications.

Features:

Withstands Extreme Exhaust Heat
Conforms to and seals minor surface irregularities.
Easy Removal For Disassembly
Provides excellent sealing and durability.

About Mr. Gasket

Explore Mr. Gasket's range of performance auto parts for engines, exhaust systems, and more at our official retailer, Holley.com!

# Bolt Holes	3
Bolt Hole Size	3/8 IN
Bolt Pattern	4-7/16 IN
Brand	Mr. Gasket
Category	Exhaust
Collector Diameter	3.50 IN
Emission Code	5
Material	Copper
Packaging	Retail
Part Type	Exhaust Collector Gasket
Product Type	Collector Gaskets
Quantity Per Pkg.	2
Sub Category	Gaskets and Sealing Systems
Thickness	.094 IN
Warranty	Manufacturer's Limited 90 Day Warranty
Weight	0.25
With Bolts	3
UPC	084041371787
Part Number	7178C

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.

Manufacturer's Limited 90 Day Warranty: See Details

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*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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

Mr. Gasket Copper Seal Collector Gaskets -Pair

Mr. Gasket Copper Seal Collector Gaskets -Pair

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