Description
Product Overview
The Cometic C5483-040 head gasket is a premium replacement designed specifically for the Ford 302/351W Windsor V8 engine. Crafted from high‑quality machined aluminum, it offers exceptional durability and a perfect match to the original specifications. With a .040″ multi‑layer steel (MLS) construction, this gasket ensures a reliable seal between the cylinder head and block, supporting high compression ratios and demanding performance builds. Dimensions measure 24 x 9 x 0.14 inches, and the gasket weighs just 1 pound, making installation straightforward.
Usage
This gasket is ideal for engine rebuilds, performance upgrades, and routine maintenance on classic and modern Ford V8s. Whether you’re restoring a vintage muscle car or enhancing a street‑legal build, the C5483-040 provides the confidence of a factory‑fit part. It performs reliably under high‑temperature and high‑pressure conditions, making it suitable for daily driving, track days, and racing environments.

Why Choose Us
Cometic is renowned for precision engineering and rigorous quality control. Each gasket undergoes strict testing to meet OEM standards, guaranteeing a leak‑free seal and long‑term reliability. Our machined aluminum design reduces the risk of warping and ensures even pressure distribution across the combustion chambers. Backed by a reputation for performance parts, Cometic delivers consistency that mechanics and enthusiasts trust.
Key Features
- Machined aluminum construction for superior durability and fit
- .040″ MLS design delivers reliable sealing under high compression
- Exact OEM dimensions ensure direct replacement without modification
- Lightweight (1 lb) for easy handling and installation
- Designed for Ford 302/351W Windsor V8 engines, supporting both stock and performance builds
FAQ
Is this gasket compatible with all 302 V8 engines?
Yes, the C5483-040 is engineered to fit all Ford 302/351W Windsor V8 engines that use the standard .040″ MLS head gasket specification.
Do I need to replace the head bolts when installing this gasket?
While not always required, we recommend using new torque‑to‑spec head bolts to ensure even clamping force and maintain the gasket’s integrity.
Can this gasket be used for high‑performance or race applications?
Absolutely. The machined aluminum and MLS construction are designed to handle increased compression and temperature, making it suitable for performance and race builds.
What torque specifications should I follow during installation?
Follow the vehicle manufacturer’s torque sequence and specifications, typically ranging from 70‑90 lb‑ft for the head bolts, tightening in stages.
Is there a warranty on this product?
Cometic offers a limited warranty against manufacturing defects, providing peace of mind for your engine rebuild.





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