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Mr. Gasket Rear Main Seal - Viton® - High Vacuum

Fits Chevrolet Small Block with two-piece rear main seal. Recommended for use with external vacuum pump.

Part # 1971 Be the first to write a review

Mr. Gasket Rear Main Seal - Viton® - High Vacuum

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Free Shipping on orders over $150*
$46.07
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5

Emissions

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.

See Emissions Details
This Mr. Gasket Rear Main Seal is made from Viton® Rubber. This style of rubber can handle high temperature like silicone rubber, but with superior abrasion resistance. It's durability and design make it recommended for applications that have high engine vacuum, like racing engines that utilize external vacuum pumps for crankcase evacuation.

Features:

  • Repairs That Leaky Rear Main Sail
  • Viton® Rubber Offers Both Abrasion Resistance & High Temperature Tolerance
  • Upgrade for Rope Seal Equipped Cars or Silicone Rubber Main Seals

About Mr. Gasket

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

Brand Mr. Gasket
Emission Code5
MaterialViton
Product TypeRear Main Seal
Rear Main Seal StyleTwo Piece
WarrantyLimited 90 Day
Weight0.1000
UPC084041034705
Part Number1971
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.
Limited 90 Day: See Details
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    *Free Shipping & 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.