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Gasket/Seal Kit, 120pc Cylinder Head R&R, 90~92 (BUNA)

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Your Price:
$483.15 (You save $25.43)
3.50 LBS
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Product Description

Gasket/Seal Kit, Cylinder Head R&R Kit, 90~92 (BUNA_N).  Developed for the cylinder head removal project, this kit includes all the items in the Top End Maintenance kit (BUNA-N), plus the items necessary to also remove & replace the cylinder heads.  

This Kit DOES NOT include:

  1. Valve Stem Seals, Seal Set (32), Valve Stem Oil (Viton)1991~95 [11C7] or
  2. 40mm Cam Bore Plugs Plug, Cam RR Bearing Hole, 40mm, NEW 90~95 [1F4]

These parts are not included simply because customers frequently re-use the plugs or do not plan to dissassemble & service the valves. 

We highly recommend replacement of the Camshaft Sprocket Bolts as recommended in the GM LT5 Service Manual.  Click on the following link to be redirected to the bolts: Bolt, Camshaft Sprocket, NEW 90~95 [12B6]

Items contained in this kit are as follows;


  • Stainless Steel Allen Socket Bolt Kits PN 10000083-SS are also available to add that finishing touch to your new engine look! 

Note: Please review the following o-ring seal material compatibility information.  You should choose the material you deem best for the fuel being used in your application.  Most modern fuels available to the general public today contain ethylene alcohol in various amounts ranging from 5% to 85%. 

BUNA-N (Nitrile) is the least expensive and is ranked #1 on a scale of 1 to 4 (Best Choice) for fluid compatibility with 100% gasoline and ranked #3 with hydrocarbon gasoline blends, E10 (10% fuel ethanol) - E85 (85% fuel ethanol).

VITON-A is more expensive and is ranked 2 on a scale of 1 to 4 (Best Choice) for fluid compatibility with hydrocarbon gasoline blends, E10 (10% fuel ethanol) - E85 (85% fuel ethanol).   Please refer to PN 55559092-V for this same kit with VITON-A o-ring seals.

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