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Hardin Marine Exhaust Manifold Adapters:

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Hardin Marine
Exhaust Manifold Spacers
These spacers are the answer to those times when you just need a little more clearance for tall valve covers or to get those tips to line up correctly. Sold in pairs.
Part No. Description

420-906130

1/2" Small Block Chevy Coated Steel Billet
420- 906160 1/2" Big Block Chevy Non-Coated Billet Aluminum
Hardin Marine
Billet 460 Ford To Big Block Chevy Manifold Adapter
Hardin Marine came up with Adapters so you can use Big Block Chevy exhaust on a 460 Ford engine. This allows a better selection of exhaust systems to choose from. These Adapters are built out of billet aluminum 6061T. Sold in pairs.
Part No. Description
125-460454 Billet 460 Ford to Big Block Chevy Manifold Adapter