Shorty Exhaust Manifold Headers Fit for Chevy Big Block 396 402 427 454 502 V8

Shorty exhaust manifold headers designed for compatible Chevrolet Big Block V8 applications. The listed vehicle fitment specifically covers classic Chevrolet models equipped with 396, 402, and 454 Big Block engines, while the header platform is intended for compatible Chevrolet Big Block configurations including 396, 402, 427, 454, and 502 V8 engines. Features 1.65 in square primary tubes, a 2.85 in outlet, 7/16 in head flanges, and 3/8 in outlet flanges for a compact performance-oriented exhaust setup.

Vehicle Fitment

• Fit for 1965-1973 Chevrolet Chevelle with compatible 396 6.5L / 402 6.6L / 454 7.4L Big Block V8 engines
• Fit for 1969-1974 Chevrolet El Camino with compatible 396 6.5L / 454 7.4L Big Block V8 engines
• Fit for 1973-1975 Chevrolet Laguna with compatible 454 7.4L Big Block V8 engine
• Fit for 1971-1974 Chevrolet Caprice with compatible 402 6.6L / 454 7.4L Big Block V8 engines
• Fit for 1971-1972 Chevrolet Kingswood with compatible 402 6.6L / 454 7.4L Big Block V8 engines
• Fit for 1970-1972 Chevrolet Camaro with compatible 396 6.5L / 402 6.6L Big Block V8 engines
• Fit for 1973-1974 Chevrolet Malibu with compatible 454 7.4L Big Block V8 engine
• Fit for 1971-1974 Chevrolet Impala with compatible 402 / 454 Big Block V8 engines
• Fit for 1968-1975 Chevrolet Bel Air with compatible 396 6.5L / 402 6.6L / 454 7.4L Big Block V8 engines
• Fit for 1971-1972 Chevrolet Biscayne with compatible 402 6.6L / 454 7.4L Big Block V8 engines
• Fit for 1971-1972 Chevrolet Brookwood with compatible 402 6.6L / 454 7.4L Big Block V8 engines
• Fit for 1972 Chevrolet Townsman with compatible 402 6.6L / 454 7.4L Big Block V8 engines
• Header platform is intended for compatible Chevrolet Big Block 396 / 402 / 427 / 454 / 502 V8 configurations
• For compatible 2WD applications
• Vehicle-specific fitment listed above is based primarily on 396, 402, and 454 engine applications
• Please verify your exact vehicle year, model, engine displacement, cylinder-head configuration, drivetrain, and existing exhaust layout before purchasing
• Engine swaps, aftermarket cylinder heads, modified steering or suspension components, and non-original exhaust systems may affect installation compatibility

Product Highlights

• Chevy Big Block Compatibility – Designed for compatible Chevrolet Big Block V8 configurations, including 396, 402, 427, 454, and 502 engine families
• Shorty Header Design – Compact shorty-style configuration keeps the header closer to the engine for compatible classic Chevrolet applications
• 1.65 in Square Primary Tubes – Features the specified 1.65 in square primary tube configuration
• 2.85 in Outlet – Uses the specified 2.85 in exhaust outlet dimension
• 7/16 in Head Flanges – Heavy head flange construction built to the specified 7/16 in thickness
• 3/8 in Outlet Flanges – Features 3/8 in outlet flange thickness for the specified exhaust connection
• CNC-Machined Flange Construction – Machined flange design supports accurate mounting on compatible Big Block cylinder-head applications
• Compact Exhaust Upgrade – Suitable for compatible classic Chevrolet builds requiring a shorter header configuration than traditional long-tube layouts

Product Specifications

• Product Type: Shorty Exhaust Headers
• Vehicle Make: Chevrolet / Chevy
• Manufacturer Family: General Motors / GM
• Engine Family: Chevrolet Big Block V8 / BBC
• Header Engine Compatibility: 396 / 402 / 427 / 454 / 502 V8
• Listed Vehicle Fitment Engines: 396 / 402 / 454 V8
• Primary Tube Size: 1.65 in Square
• Outlet Size: 2.85 in
• Head Flange Thickness: 7/16 in
• Outlet Flange Thickness: 3/8 in
• Header Style: Shorty / Manifold-Style
• Drivetrain: Compatible 2WD Applications
• Reference Model: EH28624

Package Includes

• 1 × Set of Shorty Exhaust Headers

Installation Notes

• Please verify the exact vehicle year, model, engine displacement, and drivetrain before purchasing
• Confirm that your vehicle uses a compatible Chevrolet Big Block V8 configuration
• Listed vehicle applications specifically reference 396, 402, and 454 Big Block engines
• 427 and 502 engine applications should be verified by cylinder-head pattern, available clearance, and exhaust connection dimensions before installation
• Check steering clearance, starter clearance, spark-plug access, frame clearance, and existing exhaust connection before installation
• Vehicles with engine swaps, aftermarket cylinder heads, modified transmissions, steering systems, or non-original exhaust components may require additional fitment work
• Professional installation is recommended