The Best Carb Adapters on the Market!
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We offer the widest selection of heat resistant carb adapters anywhere.  Since we manufacture all our adapters and spacers in-house, we can make custom pieces for your application.  Standard size on all adapters is 1 inch. All adapters are supplied with mounting hardware. We also have gaskets available.

#101 Apapter

Holley 2 Barrel Carb Adapter
Allows adjustable positioing of Holley 2 barrel on Q-Jet manifold or any intake with "inside" (4 1/4") bolt pattern.
#101 (1”) $69.50

#101-AR - (1") with radius bottom  $99.50.
#101-1.5 (1.5”) $99.50

#102 Adapter

Holley or Rochester
2 Barrel Carb Adapter

Adapts Rochester or Holley 2 barrel to (inside bolt pattern) Q-Jet intake.
#102   $83.00

#102-105 for outside bolt pattern - $83.00.

Note: When using the #101 or #102 adapter to position a 2 barrel carb over secondary bores of a Q-Jet manifold with an unmodified plenum area, special gasket #101G must be used to seal off primary bores of intake.

#104 Adapter

Holley 4 Barrel Carb Adapter
Adapts Holley 4 barrel carb to Q-Jet intake. We've tested several height combinations with a 4 barrel carb on the Q-Jet intake, and the 1” tall 4 hole spacer works best.
#104   $83.00

#105 Adapter

Holley 2 Barrel Carb Adapter
For aluminum intakes with
"outside" (5 5/32") bolt pattern.
#105 (1”) $69.50

#105-AR (1") with radius bottom $99.50

#105-1.5 (1.5”) $99.50       

#114-1.5 (1.5") with radius bottom $140.00

#105-ALUM  - Aluminum #105 adapter  $99.50

Part #105SW

Holley 2 Barrel Carb Adapter
Sideways adapter for Holley 2 barrel mounted on aluminum, open plenum intake.
#105SW    $83.00

Part #105NA

Holley 2 Barrel Carb Adapter
For Holley 2 barrel mounted over forward part of intake. Popular for 2101 Edelbrock Performer intake. This is a non-adjustable adapter.
#105NA    $83.00

#108 Adapter

Holley 2 Barrel Carb Adapter
Adapts Holley 2 barrel carb to Chevy 2 barrel intake.
#108  $49.50

 

#114 Adapter

                           #114 Adapter

                   The best 2 barrel adapter on the market

                for open plenum aluminum intake manifolds.

Unique 2” tall adapter starts as our popular #105 adapter.
An additional 1" spacer (#113) is added and a radius blended into the bottom.

Part #114         2 piece adapter, run as 2" or 1" ....$175.00
Part #114-1.5 
1 piece adapter, 1.5" tall with bottom radius ....$140.00

 

 

#101 Carb Adapter Dyno Test

#101 Dyno Chart

As you can see, our Part #101 Adapter produced 8 more horsepower at 5,500 rpm than a die cast aluminum adapter.

Test Engine: 355, stock Q-Jet intake, stock ’492 heads and 500 Holley 2 barrel.

 

#114 Carb Adapter Dyno Test

Don't make a 24 horsepower mistake!

We conducted a series of dyno tests on several different types of 2 barrel carb adapters. We ran one of the cheep die-cast aluminum adapters versus our #105 and #114 phenolic adapters. As you can see below, the results are very interesting.

Our #105 adapter out performed the die-cast aluminum adapter by 8 to 24 horsepower throughout the entire rpm range. Is saving a few dollars on a carb adapter worth losing 24 horsepower?

#114 Dyno Chart

Test engine: 355 small-block, ported Dart heads, 1 3/4" headers, flat tappet cam, compression ratio 10.5 to 1. New style Team G manifold with stock 500 2 barrel Holley carb.



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Brzezinski Racing Products, Inc.
N50 W23001 Betker Drive
Pewaukee, WI 53072

Phone: 262-246-8577
Toll Free: 866-236-6300
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