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Fel-Pro PermaTorque Multi-Layer Steel Head Gaskets


Fel-Pro
Fel-Pro PermaTorque Multi-Layer Steel Head Gaskets

Product images may differ from actual product appearance.

Modern Cylinder Heads Require a New Type of Gasket

Why use a Fel-Pro Multi-Layer Steel Cylinder Head Gasket? Because more power per cylinder, higher operating temperatures, and thinner head and block castings demand a modified gasket. MLS Gaskets are stronger, more forgiving, and capable of sealing despite movement between the head and block. Such motion results from: lighter, thinner aluminum head castings that are more susceptible to thermal expansion; computer controls that can dramatically increase engine output; reduced clamping force that prevents stress points and cylinder bore distortion.

MLS Technology was developed to overcome sealing challenges. The number of layers in an MLS Gasket ranges from two to five, depending on the engine's sealing characteristics. Generally, the more layers, the more motion the gasket endures. There are multiple solid layers of heat-treated stainless steel separated by a very thin rubber coating, and the layers are either active (absorbing motion between the head and block) or shim (giving the gasket its correct compressed thickness). Gaskets are sold each.

Features
  • Stainless steel maintains shape
  • Survives higher combustion pressure
  • Withstands "scrubbing" between head and block
  • Functions at a wider range of operating temperatures
  • Strategically-placed sealing beads eliminate leak paths
  • "Stopper" layer provides superior primary combustion seal

    Additional Information

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  • 28 Products
    Small Block Chevy

    375-1142
    PermaTorque MLS Head Gasket
  • Small Block Chevy
  • Gasket Bore: 4.100''
  • Compressed Thickness: .041''
  • Compressed Volume: 9cc
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  • $66.99
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    375-1142-026
    PermaTorque MLS Head Gasket
  • Small Block Chevy
  • Gasket Bore: 4.100''
  • Compressed Thickness: .026''
  • Compressed Volume: 5.7cc
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  • $94.99
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    375-1143
    PermaTorque MLS Head Gasket
  • Small Block Chevy
  • Gasket Bore: 4.165''
  • Compressed Thickness: .041''
  • Compressed Volume: 9.2cc
    More info on Fel-Pro 1143
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  • $63.99
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    375-1144
    PermaTorque MLS Head Gasket
  • Small Block Chevy
  • Gasket Bore: 4.200''
  • Compressed Thickness: .041''
  • Compressed Volume: 9.3cc
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  • $67.99
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    375-1144-053
    PermaTorque MLS Head Gasket
  • Small Block Chevy
  • Gasket Bore: 4.200''
  • Compressed Thickness: .053''
  • Compressed Volume: 11.9cc
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  • $67.99
    Order Today Ships 05/02/14

    375-1144-061
    PermaTorque MLS Head Gasket
  • Small Block Chevy
  • Gasket Bore: 4.200''
  • Compressed Thickness: .061''
  • Compressed Volume: 13.9cc
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  • $69.99
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    375-1144-071
    PermaTorque MLS Head Gasket
  • Small Block Chevy
  • Gasket Bore: 4.200''
  • Compressed Thickness: .071''
  • Compressed Volume: 16.1cc
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  • $74.99
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    375-26473L
    PermaTorque MLS Head Gasket
  • Small Block Chevy (Left Side)
  • Gasket Bore: 4.200''
  • Compressed Thickness: .053''
  • Compressed Volume: 12cc
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  • $96.99
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    375-26473R
    PermaTorque MLS Head Gasket
  • Small Block Chevy (Right Side)
  • Gasket Bore: 4.200''
  • Compressed Thickness: .053''
  • Compressed Volume: 12cc
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  • $96.99
    Order Today Ships 04/25/14
    Small Block Chevy Marine

    375-17031
    PermaTorque MLS Head Gasket
  • Small Block Chevy Marine
  • Gasket Bore: 4.200''
  • Compressed Thickness: .039''
  • Compressed Volume: 9cc
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  • $51.99
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    Chevy LS1/LS6

    375-1160L
    PermaTorque MLS Head Gasket
  • Small Block Chevy LS1/LS6 (Left Side)
  • Gasket Bore: 3.945''
  • Compressed Thickness: .053''
  • Compressed Volume: 10.6cc
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  • $94.99
    Order Today Ships 05/02/14

    375-1160R
    PermaTorque MLS Head Gasket
  • Small Block Chevy LS1/LS6 (Right Side)
  • Gasket Bore: 3.945''
  • Compressed Thickness: .053''
  • Compressed Volume: 10.6cc
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  • $94.99
    Order Today Ships 05/02/14

    375-1161L041
    PermaTorque MLS Head Gasket
  • Small Block Chevy LS1/LS6 (Left Side)
  • Gasket Bore: 4.100''
  • Compressed Thickness: .041''
  • Compressed Volume: 8.9cc
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  • $71.99
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    375-1161R041
    PermaTorque MLS Head Gasket
  • Small Block Chevy LS1/LS6 (Right Side)
  • Gasket Bore: 4.100''
  • Compressed Thickness: .041''
  • Compressed Volume: 8.9cc
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  • $71.99
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    375-1162L041
    PermaTorque MLS Head Gasket
  • Small Block Chevy LS1/LS6 (Left Side)
  • Gasket Bore: 4.175''
  • Compressed Thickness: .041''
  • Compressed Volume: 9.2cc
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  • $91.99
    Order Today Ships 04/25/14

    375-1162R041
    PermaTorque MLS Head Gasket
  • Small Block Chevy LS1/LS6 (Right Side)
  • Gasket Bore: 4.175''
  • Compressed Thickness: .041''
  • Compressed Volume: 9.2cc
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  • $91.99
    Order Today Ships 04/25/14
    Big Block Chevy

    375-1071
    PermaTorque MLS Head Gasket
  • Big Block Chevy
  • Gasket Bore: 4.380''
  • Compressed Thickness: .041''
  • Compressed Volume: 10.6cc
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  • $83.99
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    375-1075
    PermaTorque MLS Head Gasket
  • Big Block Chevy
  • Gasket Bore: 4.580''
  • Compressed Thickness: .041''
  • Compressed Volume: 11.2cc
    More info on Fel-Pro 1075
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  • $83.99
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    375-1075-1
    PermaTorque MLS Head Gasket
  • Big Block Chevy
  • Gasket Bore: 4.580''
  • Compressed Thickness: .053''
  • Compressed Volume: 14.5cc
    More info on Fel-Pro 1075-1
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  • $97.99
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    Big Block Chevy Marine

    375-17049
    PermaTorque MLS Head Gasket
  • Big Block Chevy Marine
  • Gasket Bore: 4.630"
  • Compressed Thickness: .039"
  • Compressed Volume: 10.8cc
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  • $53.99
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    Small Block Ford

    375-1137
    PermaTorque MLS Head Gasket
  • Small Block Ford
  • Gasket Bore: 4.210''
  • Compressed Thickness: .054"
  • Compressed Volume: 12.2cc
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  • $87.99
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    375-1133
    PermaTorque MLS Head Gasket
  • Small Block Ford
  • Gasket Bore: 4.100''
  • Compressed Thickness: .041"
  • Compressed Volume: 9cc
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  • $65.99
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    375-1134
    PermaTorque MLS Head Gasket
  • Small Block Ford
  • Gasket Bore: 4.180''
  • Compressed Thickness: .041"
  • Compressed Volume: 9.3cc
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  • $65.99
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    375-1135
    PermaTorque MLS Head Gasket
  • Small Block Ford
  • Gasket Bore: 4.210''
  • Compressed Thickness: .041"
  • Compressed Volume: 9.4cc
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  • $66.99
    Order Today Ships 04/25/14

    375-1135-079
    PermaTorque MLS Head Gasket
  • Small Block Ford
  • Gasket Bore: 4.210''
  • Compressed Thickness: .079"
  • Compressed Volume: 18.1cc
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  • $99.99
    Order Today Ships 04/25/14

    375-11351
    PermaTorque MLS Head Gasket
  • Small Block Ford
  • Gasket Bore: 4.210''
  • Compressed Thickness: .047"
  • Compressed Volume: 10.9cc
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  • $96.99
    Order Today Ships 04/25/14

    375-1135SD4
    PermaTorque MLS Head Gasket
  • Small Block Ford
  • Gasket Bore: 4.210''
  • Compressed Thickness: .0425"
  • Compressed Volume: 9.5cc
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  • $99.99
    Order Today Ships 04/25/14
    Small Block Ford Marine

    375-17060
    PermaTorque MLS Head Gasket
  • 351W Marine
  • Gasket Bore: 4.080"
  • Compressed Thickness: .049"
  • Compressed Volume: 10.4cc
    View this item
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  • $51.99
    Order Today Ships 04/25/14

    28 Products