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Mr. Gasket

Mr. Gasket Ultra-Seal Overhaul Gasket Kit

Fits 1965-1990 Chevrolet 396-454 Gen IV Big Block

Part # 5996 Be the first to write a review
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Holley Days Price
$176.95
Suggested Retail
$197.00
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Every Ultra-Seal gasket you need to build or completely rebuild an engine.

Kits include Mr. Gasket Ultra-Seal cylinder head gaskets, intake gaskets, exhaust gaskets, oil pan gaskets, valve cover gaskets, timing cover gaskets, fuel pump gaskets, water pump gaskets, distributor gaskets, thermostat gaskets, and rear main seals. Perfect for original equipment replacement, high-performance street, drag racing, or oval track racing.

About Mr. Gasket

Using his own '57 Chevy as a rolling testbed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago. Mr. Gasket is the go-to gasket source for racers with gaskets and fasteners that seal perfectly every time.

Brand Mr. Gasket
Emission Code5
EngineChevrolet Big Block Mark IV
Exhaust Port ShapeSquare
Exhaust Port Size1.85" x 1.90"
Head Gasket Bore4.520"
Head Gasket Compressed Thickness.038"
Head Gasket MaterialUltra Seal
Header Gasket MaterialUltra-seal
Header Gasket Thickness.062"
Intake Manifold Gasket MaterialUltra-seal
Intake Manifold Gasket Thickness.060"
Intake Port ShapeOval
Intake Port Size1.75" x 2.16"
Oil Pan Gasket MaterialUltra-seal
One Piece Oil Pan GasketNo
Port ShapeOval
Product TypeGasket Kits
Rear Main Seal StyleTwo Piece
Valve Cover Gasket MaterialUltra Seal
Valve Cover Gasket Thickness.187"
WarrantyLimited 90 Day
Weight2.2500
UPC084041059968
Part Number5996
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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