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  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines
  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines, image 2
  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines, image 3
  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines, image 4
  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines, image 5
  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines, image 6
  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines, image 7
  • Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines, image 8
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Exhaust Manifold Header for Chevy and GMC Big Block V8 Engines

This exhaust manifold header fits Chevy and GMC big block V8 engines (396, 402, 427, 454 and 502) and suits owners replacing or upgrading an exhaust manifold.

$157.99

Taxes calculated at checkout

1

Estimated delivery between Thu, Nov 5 and Thu, Nov 12
Usually 3 to 7 business days. Orders after 2pm ET are dispatched the next business day. Delivery details

30 days to return it
Changed your mind? Send it back unused. Returns policy

About this product

  • Fits 396, 402, 427, 454 and 502 big block V8 engines
  • 1 3/4 in primary tube diameter
  • 3 in collector diameter
  • 3/8 in thick flange
  • Weighs 24.3 lb (11.0 kg)

This exhaust manifold header is made for big block V8 engines in the 396, 402, 427, 454 and 502 sizes. The data lists Camaro, Chevelle and Nova as models.

The header has 1 3/4 in primary tubes, a 3 in collector and a 3/8 in thick flange. It weighs about 24.3 lb (11.0 kg).

Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications, and the bottom of the header flanges may hit the head bolts. Check your engine setup before ordering. Orders ship with free shipping and are covered by 30-day returns.

Questions and answers

Which engines does this header fit?

It fits big block V8 engines in the 396, 402, 427, 454 and 502 sizes.

What are the tube and collector dimensions?

The primary tubes are 1 3/4 in in diameter, the collector is 3 in in diameter, and the flange is 3/8 in thick.

Are there any clearance concerns?

Yes. Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications, because the bottom of the header flanges may hit the head bolts.

Weight
11010 g

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