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Vehicle Info NeededCHEVROLET PERFORMANCEPART NUMBER: 809-12363411
Competition Cylinder Head Gasket Big Block Chevy Gen V/VI
$13814
Ships on 09/29/2026
Lowest Price GuaranteeBig Block Chevy Head Gaskets
- Competition Head Gasket
- Big Block Chevy Gen V/VI
- Aluminum Cylinder Heads
- Compressed Thickness 0.039"
- 4.375" to 4.540" bore size
- Each
Technical Notes: This competition designed gasket is for a bore (4.375" to 4.540") usage on 1991 and later "Gen V" Chevrolet Big Blocks with aluminum heads. It is a preflattened wire ring. The nominal compressed thickness .039", with compressed volume of 10.5cc.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 and can be used on cast iron or aluminum heads.
- Chevrolet Performance cylinder head gaskets are the finest quality parts available to ensure a secure seal between the engine block and cylinder heads. Ideal for street, hot rods and race applications, Chevrolet Performance offers value and reliability with each gasket. Available for popular GM small block, LS-series or big block engines.
JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.Part TypeHead Gasket
Product LineChevrolet Performance Head Gaskets
BrandCHEVROLET PERFORMANCE
Package Height0.3
Package Width9.6
Package Length23.6
Weight0.55 PG
Part CategoryPerformance Parts
Lock WireNo
QuantitySold individually
Gasket MaterialComposite
Bore (Mm)115.316
Compressed Thickness0.039 in (0.991 mm)
Compressed Volume (Cc)10.346
Bore4.54 in (115.316 mm)
Vendor Part Number12363411
Package Qty1
Package TypeEA
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