Ceramic Coated Block Hugger Headers for Gen 1 Small Block Chevy V8 | 265–400 CID | Certified Automotive Experts

Designed for tight-clearance classic builds, these Ceramic Coated Center-Dump Block Hugger Headers fit compatible Gen 1 Small Block Chevy V8 engines ranging from 265 to 400 cubic inches in vehicles manufactured through 1959. They feature 1-5/8-inch primary tubes, 3/8-inch head flanges, and 3-bolt collectors, with collectors and mounting hardware included.

Constructed from steel with a protective ceramic-coated finish, their compact center-dump design keeps the primary tubes close to the engine block. They are intended for compatible street rods, select 1955–1957 Chevrolet full-size cars, and 1955–1959 Chevy and GMC trucks.

Important fitment exclusions: These headers are not compatible with angle-plug cylinder heads, GM side engine mounts, clamshell-style motor mounts, or chassis with crossmembers or steering boxes obstructing the center exhaust ports. They are not intended for vehicles manufactured after 1959.

Key Features

• Compact Center-Dump Design: Designed for tight-clearance classic Small Block Chevy installations.
• Steel Construction: Features a ceramic-coated exterior finish.
• 1-5/8-Inch Primary Tubes: Designed for compatible Gen 1 SBC V8 engines.
• 3/8-Inch Head Flanges: Provides the specified flange thickness.
• 3-Bolt Collectors: Includes collectors for the specified exhaust connection.
• Included Hardware: Mounting hardware is included.
• Protective Ceramic Coating: Provides an exterior finish without changing header geometry or routing.

Product Specifications

Compatibility and Fitment

Compatible engine displacements:

• 265, 267, 283, 302, 305, 307, 327, 350, and 400 cubic inches.

Common applications:

• 1923–1949 street rods with Small Block Chevy engine swaps.
• 1955–1957 Chevrolet Bel Air, 210, and Nomad models using front engine mounts.
• 1955–1959 Chevy and GMC Task Force trucks.

These headers are intended for compatible vehicles manufactured through 1959 using front or custom engine mounts.

Not compatible with:

• GM side engine mounts introduced in 1958.
• Clamshell-style motor mounts used from 1973 onward.
• Angle-plug cylinder heads.
• Frames with crossmembers or steering boxes positioned directly beneath or beside the center exhaust ports.
• Vehicles manufactured after 1959.

Verify engine mounts, steering configuration, and chassis clearance before purchasing.

Installation Considerations

Clearance varies by chassis, engine mounts, and steering configuration. Test-fitting before final installation is recommended to check for interference around the center exhaust ports, crossmembers, and steering components.

Frequently Asked Questions