Cometic C5434-120 MLS Cylinder Head Gasket
Upgrade your Chevrolet Mark-IV or GM Gen-V/VI Big Block V8 with the Cometic C5434-120 MLS Cylinder Head Gasket. Designed for aftermarket heads, this gasket features a .120" compressed thickness and a bore size of 4.630", ensuring a perfect fit for high-performance applications.
Key Features:
- Material: Multi-Layer Steel (MLS)
- Compressed Thickness: .120"
- Bore Shape: Valve Pocketed
- # of Layers: 3
- Undersized Water Ports: Allows for customization
Why Choose Cometic?
Cometic is renowned for its high-quality gaskets that deliver superior sealing and durability. By choosing Cometic, you ensure optimal performance and longevity for your engine. At Racestage.eu, we are proud to offer this premium product, backed by our commitment to customer satisfaction and expert support.
Shop now at Racestage.eu for the best in performance parts!
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Chevrolet | MARK-IV, GEN-V/VI BIG BLOCK V8 | - | - |
| Chevrolet | MARK-IV, GEN-V/VI BIG BLOCK V8 | - | - |
COMETIC
Founded in 1989 in Concord, Ohio, USA, Cometic Gasket offers over 85,000 high-performance gasket SKUs for automotive, powersports, and motorsport applications, all made in the USA.
Covering drag, road race, and sport compact builds, Cometic is the trusted source for precision engine sealing worldwide.
Official page: www.cometic.com
Covering drag, road race, and sport compact builds, Cometic is the trusted source for precision engine sealing worldwide.
Official page: www.cometic.com
| Default | |
| Make | GM |
| Engine | Big Block |
Chevrolet Mark-IV Big Block V8 .120 MLS Head Gasket 4.630
269.44€
Excl. VAT: 222.68€
| Brand | Model | Generation | Engine |
|---|---|---|---|
| Chevrolet | MARK-IV, GEN-V/VI BIG BLOCK V8 | - | - |
| Chevrolet | MARK-IV, GEN-V/VI BIG BLOCK V8 | - | - |

Covering drag, road race, and sport compact builds, Cometic is the trusted source for precision engine sealing worldwide.
Official page: www.cometic.com
| Default | |
| Make | GM |
| Engine | Big Block |