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Chevy Small-Block V8  |  Cylinder Head Gaskets and Components
 

 
 

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10105117 Composition Head Gasket (Cast Iron or Aluminum Head)      
This composition head gasket with stainless steel faces is recommended for stock and mildly modified engines with 4.00" cylinder bores. Its compressed thickness is .028".   Small Image
 

Modifier      
10159455 Composition Head Gasket      
This composition head gasket with stainless steel jacket is used on Chevrolet V8 302 - 400 CID engines with bore diameters from 4" to 4 1/8". The gasket has a compressed thickness of .039".   Small Image
 

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12363763 Head Gasket "Special Competition"      
This heavy-duty composition head gasket for iron or aluminum heads is teflon coated and has pre-flattened steel fire rings (this feature reduces head and deck surface galling). This gasket features a 4.200" bore for bow tie, 400 small blocks and aluminum blocks. This gasket does not have steam holes required for the production 400 S/B. It does have revised coolant hole pattern (this reduces coolant temperatures between the center bores). This head has compressed thickness of .038" with volume of 8.9cc and this does not require retorquing.   Small Image
 

Modifier      
12484788 Intake Valve Seat      
This valve seat fits fast burn cylinder head P/N 12464298. The diameter on this seat is 2.149" O.D. and 1.85" I.D. with a plus or minus .0005" and it is .312" thick with plus or minus of .002".   Small Image
Technical Notes: The material iron alloy JP200 and heat treat to RC 33-39.

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12484789 Exhaust Valve Seat      
This exhaust valve seat fits fast burn cylinder head P/N 12464298. The diameter on this seat is 1.688" O.D. and 1.330" I.D. with a plus or minus .0005", and it is .3125" thick with plus or minus of .0025".   Small Image
Technical Notes: The material iron alloy JP200 and heat treat to RC 33-99. Small-block cylinder head gaskets are available in a variety of materials and thicknesses to suit different applications. When selecting a head gasket, keep in mind the engine's intended usage and the minimum piston-to-head clearance required. (One gasket per part number.)

Modifier      
12557236 Composition Head Gasket      
For Corvette production aluminum cylinder heads. Compressed thickness is .051". This gasket's stainless steel fire rings prevent galvanic action between the aluminum head and cast iron block. (This gasket is used on 350 HO engines.) (Can be used on cast iron or aluminum heads.)   Small Image
 

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14096405 Composition Head Gasket      
This composition gasket has stainless steel on one side and graphite on the other side This gasket has a compressed thickness of .028".   Small Image
 

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3830711 Steel Shim Head Gasket      
Recommended for stock and mildly modified engines with 4.00" cylinder bores. Compressed thickness is .026".   Small Image
 

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