Gasket Cylinder Head HP
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Felpro High Perf. Gasket Cylinder Head HP

Part No. 1002 Warranty Details  
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From the leader in aftermarket engine sealing, FEL-PRO the gaskets professionals trust.

Product Features:
  • Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function
  • Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust
  • FEL-PRO gasket sets are engineered and manufactured specifically for the aftermarket repair environment
  • Every part for the repair procedure is included in the kit unless otherwise noted
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Bore Size:4.166 in
Compressed Thickness:0.041 in
Performance Rated:Y
Thickness:0.041 in

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Replaced one head gasket but now the side I didn't replace compression is reading 150 but replaced Side only reads about 125 is this difference because of the head gaskets I used
    Asked on 4/27/2012 by Anonymous

    1 answer



      There are several ways to check for a faulty head gasket. Start the engine cold with the pressure cap off the pressurized surge tank. Watch the coolant in the surge tank for signs of bubbling or "false boiling". If so then it may be a sign that combustion pressure is entering the system through a failed head gasket. Pump up the cooling system pressure with a cooling system pressure tester pump. Hold it at 15psi for several hours. Keep pumping it up if the pressure drops. Pull the plugs in the mean time. After several hours holding pressure rotate the engine with the starter with the plugs out. Watch for coolant spewing out the spark plug ports as a sign of a leaking head gasket. With the cooling system full, apply 120psi shop air to each of the combustion chambers, one at a time, thru the spark plug port. Make an adapter out of an old spark plug shell and run shop air to the port. Rotate the engine so that the valves for that cylinder are closed. Watch the coolant in the surge tank for bubbling. If the chamber holds the 120psi with no bubbling then chances are the head gasket is fine. For any further assistance please feel free to call 1-877-238-2623 and one of our representatives will gladly assist you with any questions or concerns you may have.

      Answered on 5/1/2012 by John the Car-Doc from AAP
Displaying question 1

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