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Carburetor Gaskets & Adapters:

Click on the part number to check pricing or place an order.

Hardin Marine
Carburetor Gaskets And Aluminum Heat Insulators
Here is a list of the most popular carburetor base gaskets available as well as aluminum heat insulators allowing for cool fuel transfer to your engine - a must for peak performance.
Part No. Description

300-54

Square Flange Open Center Holley 4150/4160
and Edelbrock Base Gasket
655-56 Spread Bore Rochester and Holley 4175 Base Gasket
300-58 Dominator Holley 4500 Base Gasket
620-63702 Aluminum Heat Insulator for Holley Square Flange
and Edelbrock Carburetors
Hardin Marine
Square Bore To Spread Bore Carburetor Adapter
These aluminum carburetor adapters allow an inexpensive method to mount a performance style square bore carburetor to an original equipment spread bore style intake manifold. Gaskets sold separately.
Part No. Description
620-2066 Square Bore to Spread Bore Carburetor Adapter
High Performance Spacers
 

How does 10 to 15 horsepower sound in only 15 minutes. That's right we've tested this and now we're believers and users of this awesome product. The unique design of the center section of this spacer actually speeds up the air flow into the engine. We all know more air in equals more power out. This unit works on either single or dual plane intake manifolds with a square flange carburetor mounting pad. You won't be disappointed.
Part No. Description
620-4150 Std Holley/Sea Demon Super Sucker Spacer
Hardin Marine
Standard Holley 4150 Carburetor To Dominator Carburetor Adapter
Do you need more fuel and/or a bigger carburetor but you don't want to change your intake manifold? This is the answer. This billet aluminum adapter is only 1/2" thick allowing you to keep your overall height low. This adapter allows you to mount a Dominator carburetor to a standard Holley manifold.
Part No. Description
620-65000 Dominator Carburetor to Std Holley Manifold
Carburetor Wedge Spacers
 
 

These carburetor spacer wedges are designed to compensate for extreme engine angles on many boats that inhibit performance.

Part No. Description

350-5583

7° Square Bore Spacer Wedge Plate (Aluminum)
350-5313 12° Spacer Wedge Plate (Aluminum)