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Accessories - Manifold Spacers

Exhaust Manifold Spacers - 1/2" Big Block Chevy
Your Price:
$219.99

Exhaust Manifold Spacers - 1/2" Big Block Chevy

420-906160

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 - 3/4" Big Block Chevy
Your Price:
$299.99

Exhaust Manifold Spacers - 3/4" Big Block Chevy

420-906170

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


Exhaust Manifold Spacers - 1/2" Small Block Chevy
Your Price:
$199.99

Exhaust Manifold Spacers - 1/2" Small Block Chevy

420-906130

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.


460 Ford to 454 GM Adapter Plater Kit
Your Price:
$390.00

This Part has options, please click the button below to order.

460 Ford to 454 GM Adapter Plater Kit

700-53040

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 Manifold Adapter - 460 Ford To Big Block Chevy Manifold
Your Price:
$469.99

Exhaust Manifold Adapter - 460 Ford To Big Block Chevy Manifold

125-460454

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 Header Spacer Kit for 8.2L Engines with D Shaped Cylinders
Your Price:
$519.99

Exhaust Header Spacer Kit for 8.2L Engines with D Shaped Cylinders

620-38194

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)

Seaward Exhaust Manifolds Spacer Kit for 8.2L Engines with D Shaped Cylinders
Your Price:
$519.99

Seaward Exhaust Manifolds Spacer Kit for 8.2L Engines with D Shaped Cylinders

620-38195

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

These spacers are for Hardin Marine Seaward Exhaust Manifolds specifically. These spacers allow for a proper gasket seal when mounting your new Seaward manifolds. 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. The bolts are specifically the correct length for Seaward manifolds ONLY.

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
Your Price:
$78.95

Replacement Exhaust Manifold Adapter Bolt Covers

125-460500

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.


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