Accessories - Manifold Spacers

Designed for use with Cast Iron manifolds, these adapters allow you to use 454 GM manifolds on 460 Ford Engines. Gaskets and Adapter Bolts included.

Exhaust Header Spacer Kits for 8.2L Engines with D Shaped Cylinders Non-Coated Stainless Steel

These spacers are the answer for aftermarket Hardin Marine, CMI or other brand headers and manifolds with 3/8" flanges mounting flanges. These spacers allow for a proper gasket seal when mounting your new aftermarket exhaust headers. Spacers are 3/8" thick. Made from stainless steel. Sold in pairs. Includes two gaskets for the cylinder head side and longer bolts for headers with 3/8" flanges. If you are using manifolds or headers with thicker flanges you will need to source other bolts.

For manifolds on these applications:

• 8.2L Mag EC (H.O. Model) 2A041665 THRU 2A051740)
• 8.2L Mag EC (H.O. Model) (2A051742 & Up)
• 8.2L INBOARO (H.O.) EC - [2A041665 & UP.)
• 8.2L Mag EC (Base Model) - [ 2A051743 & UP)
• 8.2L MPI Bravo - [1G400000 THRU 1G499999]
• 8.2L Mag (H.O. Model ) - [ 1A351597 & UP]
• 8.2L MP) Bravo - [1G400000 THRU 1G499999]
• 8.2L INBOARD (Base) EC - [2A041665 & UP]
• 8.2L Mag /Base Model) - [1A351597 & UP]
• 8.2L Mag EC (Base Model) - 2A041665 THRU 2A051741)

Exhaust Manifold Adapter - 460 Ford To Big Block Chevy Manifold

Hardin Marine came up with adapters so you can use Big Block Chevy exhaust manifolds on a 460 Ford engine giving you a broader selection of exhaust systems to choose from. These adapters are made from 6061-T6 billet aluminum. Sold in pairs.

NOTE:  These manifold spacers are only recommended for use with CAST ALUMINUM EXHAUST MANIFOLDS.

Exhaust Manifold Spacers - 1/2" Big Block Chevy, Non-Coated Billet Aluminum

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.

Exhaust Manifold Spacers - 1/2" Small Block Chevy,  Billet Aluminum

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. Port size is 1-1/2" x 1-1/2". Sold in pairs.

Exhaust Manifold Spacers - 3/4" Big Block Chevy, Non-Coated Billet Aluminum

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

Replacement Exhaust Manifold Adapter Bolt Covers - Pack of 16

This package of replacement covers will help you replace lost of missing ones. These covers are made from 6061-T6 billet aluminum. Sold in packs of 16.