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Barr Chevrolet Big Block Center Rise Exhaust Manifold - CHVA-1-84
Item: #1144916 | Part Number: CHVA-1-84$437.99
Description
The Barr Chevrolet Big Block Center Rise Exhaust Manifold CHVA-1-84 is a heavy-duty cast iron replacement designed for GM 454 and 502 marine engines. Painted black for durability, it features a center rise design that helps improve exhaust flow and is interchangeable between port and starboard sides. Includes gaskets and hardware for a straightforward installation.
Barr Chevrolet Big Block Center Rise Exhaust Manifold - CHVA-1-84 Item # 1144916
Description
Generic center rise manifold for GM 454 & 502 CID marine engines.
Features:
- Interchangeable between port and starboard side
- Requires use of Barr 20-0100 or 20-0082 riser
- Includes gaskets and mounting hardware
- 3/4" NPT cooling hose connections
- Heavy duty cast iron
- Painted black
Compatible Models:
- GM V8 big block engines
Replaces:
- Barr: CHVA1-84
- Marine Power: 0991-0000
Part Numbers for Barr Chevrolet Big Block Center Rise Exhaust Manifold - CHVA-1-84
Reviews
Rated 4 out of
5
by
Bill from
Pre-Drilled holes on top had debris
Some of the pre cuts still had some pieces hanging off of them which could cause debris to fall inside. As a precautionary measure I hit it with a shop vac to be sure as I wasn't positive something fell in.
Date published: 2025-10-06