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Mr. Gasket

Mr. Gasket Premium Engine Overhaul Kit with MLS Head Gaskets

Fits 1965-1990 Big Block Chevrolet with Oval Port Heads

Part # 6103G Be the first to write a review
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Holley Days
$427.46
Suggested Retail
$528.00
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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.

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Chevy Overhaul Gasket Kit - 396/454/502 1965-'90 Designed for maximum sealing for bi-metal (cast iron block/aluminum cylinder head) engines used in professional race and high performance street engines. Multi-Layered Stainless Steel (MLS) cylinder head gaskets, Ultra Seal III intake manifold, timing cover, water pump, and fuel pump gaskets. Molded rubber with steel carrier valve cover gaskets. Remainder of gaskets and seals are high quality Mr. Gasket. For original equipment replacement, high performance street, drag race and oval track.

Features:

  • Includes: High Quality Gaskets for a Complete Rebuild
  • MLS Head Gaskets

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 Bore4.370"
Head Gasket Compressed Thickness.040"
Head Gasket MaterialMLS - Multi-Layer Steel
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 MaterialMolded Rubber w/ Steel Carrier
One Piece Oil Pan GasketYes
Product TypeGasket Kits
Rear Main Seal StyleTwo Piece
Special OffersHolley Days
Valve Cover Gasket MaterialUltra Seal
Valve Cover Gasket Thickness.187"
WarrantyLimited 90 Day
Weight2.1000
UPC090127745212
Part Number6103G
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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