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SKU: C5330-040 / UPC: 191070006785
Cometic MLS Cylinder Head Gasket for Chevrolet Mark IV Big Block V8 Engines – 4.540" Bore, 0.040" Thickness
Engineered with precision for high-performance demands, the Cometic C5330-040 delivers consistent sealing under extreme boost and compression levels, outperforming traditional composite and copper options in durability and heat resistance. This multi-layer steel (MLS) design ensures a tight seal that handles the rigors of modified 396, 402, 427, 454, and 502 cubic inch V8s, making it the direct fit solution that keeps your build running strong without leaks or failures.
Key Specifications
- Part Number: C5330-040
- UPC: 191070006785
- Material: Multi-Layer Steel (MLS) with 3 layers
- Bore Size: 4.540 inches (115.316 mm)
- Bore Shape: Valve pocketed
- Compressed Thickness: 0.040 inches (1.016 mm)
- Compressed Volume: 10.611 cc
- Coating: None required installs dry for immediate performance
Vehicle Fitment
This gasket fits Chevrolet Mark IV Big Block V8 engines across a wide range of classic and heavy-duty models from 1965 to 1990. Compatible with over 3,000 vehicle configurations, including:
|
Make |
Model Examples |
Years |
|
Chevrolet |
Camaro, Corvette, Chevelle, Nova, El Camino, Impala, Caprice, Bel Air, Malibu, Monte Carlo |
1965-1975 |
|
Chevrolet |
C10 Pickup, C10 Suburban, C20 Pickup, C20 Suburban, C30 Pickup |
1968-1986 |
|
Chevrolet |
K10 Pickup, K10 Suburban, K20 Pickup, K20 Suburban, K30 Pickup |
1968-1986 |
|
Chevrolet |
Blazer, C3500, K5 Blazer, R20 Suburban, R2500 Suburban, V2500 Suburban |
1973-1990 |
|
GMC |
C15/C1500 Pickup, C15/C1500 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup |
1968-1986 |
|
GMC |
C2500 Pickup, C2500 Suburban, C3500 Pickup, G25/G2500 Van |
1975-1990 |
Full compatibility covers trucks, cars, vans, and SUVs with Mark IV Big Block V8 powerplants. Verify your exact engine displacement and head configuration for seamless installation.
What's Included in Your Purchase
- (1) Cometic C5330-040 MLS Cylinder Head Gasket – Single unit for one cylinder head (order two for a complete V8 engine set)
- No additional hardware, sealants, or accessories designed for direct bolt-on application
Packaging and Shipping Details
- Part Weight: Approximately 1 lb
- Shipping Box Dimensions: 23.1" length x 11.3" width x 1" height
Install with confidence knowing this gasket's stainless steel layers and load-controlled embossments adapt to surface imperfections for a leak-free seal that supports up to 20+ psi of boost. Ideal for street strips, drag racing, or daily drivers, the C5330-040 sets the standard for Big Block Chevy reliability add to cart today and power up your ride.
Cometic Gasket
Cometic Gasket produces precision-machined engine sealing components used by professional engine builders and race teams worldwide. MLS head gaskets, intake gaskets, and complete engine gasket sets from Cometic are engineered to hold seal under the elevated cylinder pressure and heat cycling that OEM gaskets cannot always survive in high-performance applications.Popular UpgradesCometic MLS (multi-layer steel) head gaskets are the most-requested upgrade for turbocharged, supercharged, and naturally aspirated builds where cylinder pressure exceeds the limits of OEM composite gaskets. Available in bore sizes and thicknesses calibrated to manage compression ratio, Cometic MLS head gaskets are a standard specification for any serious engine build. Intake manifold gaskets, exhaust gaskets, and cam cover sets round out the range for complete engine assembly work.Why use Cometic MLS head gaskets over OEM?Cometic MLS head gaskets use multiple layers of embossed stainless steel that create a ...
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