Best Performance Carburetor Spacers in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Performance Carburetor Spacers

Spectre Performance - SPE-42523 2" Carburetor Stud with Hardware
#TOP1
Spectre Performance - Spe-42523 2" Carburetor Stud With
9.8
PM SCORE
Lokar SRK-4000 Stainless Steel Carburetor Bracket and Spring
#TOP2
Lokar Srk-4000 Stainless Steel Carburetor Bracket And Spring
9.7
PM SCORE
Spectre Performance (42533) 2.5" Carburetor Stud with Hardware
#TOP3
Spectre Performance (42533) 2.5" Carburetor Stud With Hardware
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Performance Carburetor Spacers of 2026

Market Overview
Performance Carburetor Spacers Reviewed
  • Reviews Analyzed: 2286 Items
  • PM Avg. Rating: 6.9 / 10
24 Products Evaluated
  • Highest Price: $89.99
  • Lowest Price: $8.49
  • Avg. Price: $40.89
#TOP1

Spectre Performance - Spe-42523 2" Carburetor Stud With Hardware

SPECTRE
42523
0.00 X 0.00 X 0.00 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Diameter measures 2 1/4 inches in length

Includes integrated-hex design

Made of black oxide and comes with gold irridite nuts

Fits all domestic cars and trucks

Lokar Srk-4000 Stainless Steel Carburetor Bracket And Spring

LOKAR
SRK-4000
7.75 X 5.88 X 1.88 Inches
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Commotion Auto 9.72

Features

Package Dimensions: 0.508 H x 18.796 L x 13.716 W (centimetres)

Country of Origin : United States

Fit type: Vehicle Specific

Package Weight: 0.25 pounds

Spectre Performance (42533) 2.5" Carburetor Stud With Hardware

SPECTRE
42533
0.00 X 0.00 X 0.00 inches
0.29 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

2-1/2 inch carburetor stud set

Black oxide with gold iridite nuts

Integrated-hex design studs for easy installation

Universal application

Moroso 65802 Carburetor Cap, Fits 4150 Style Carbs, Blue

MOROSO
65802
0.00 X 0.00 X 0.00 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 6.13 L x 4.38 H x 5.63 W (inches)

Package Weight : 0.45 pounds

Country of Origin : United States

Part Number: 65802

#TOP5

Spectre Performance 5764 Universal 4-Hole/Open Carburetor Spacer

SPECTRE
5764
7.90 X 7.00 X 2.30 Inches
2.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Universal open and 4 hole spacer for Holley, Edelbrock or AFB carburetors

1 inch thick to help increase air/fuel velocity

Gaskets and hardware included

Easy to install

Edelbrock 2732 Carburetor Adapter

EDELBROCK
2732
0.00 X 0.00 X 0.00 Inches
0.55 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Square-Bore to Spread-Bore Adapter Plate (.100" thick, for Edelbrock manifolds only)

Mounts square-bore carbs to spread-bore carb pad on Edelbrock intakes

Not needed for #2101 & #3701 when used with an Edelbrock Carburetor

Edelbrock 2696 Four-Hole Square-Bore To Spread-Bore Carburetor Adapter, Multi, One Size

EDELBROCK
2696
10.60 X 8.30 X 9.40 Inches
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Thickness of adapter is 0. 850.Material:Aluminum

Adapter is made of aluminum with a natural finish

Mounts Edelbrock square-bore carburetors to stock Quadra jet and Thermo-Quad manifolds

Hardware and gaskets are included for easy installation

Adapter style is individual venturi ports

Fit type: Vehicle Specific

Trans-Dapt 2025 Carburetor Adapter

TRANS-DAPT
2025
7.25 X 5.75 X 1.88 Inches
0.94 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Elite Tool Center 9.21

Features

Package Dimensions: 21.9 H x 6.0 L x 18.4 W (centimeters)

Fit type: Vehicle Specific

Country of Origin : United States

Package Weight: 0.487 kilograms

Trans-Dapt 2584 Phenolic Carburetor Spacer

TRANS-DAPT
2584
8.63 X 7.63 X 1.00 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Item Weight: 1.6 ounces

Product Dimensions 8.63 x 7.63 x 1 inches

Item model number: 2587

Country of Origin: Taiwan, Province of China

#TOP10

Trans-Dapt Performance 2136 Aluminum Carburetor Spacer

TRANS-DAPT
2136
8.63 X 7.63 X 0.63 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

1/2" Tall

HOLLEY 2BBL SPACER

For use on Holley 350-500-650 cfm 2-bbl carburetors.

0.5" Thick

#TOP11

Allstar Performance All25986 4150 1" Tapered 4-Hole Hi-Flow Carburetor Spacer

ALLSTAR
ALL25986
10.70 X 6.80 X 0.90 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Drag Hi-Flow

1 in Thick, 4 Hole

Square Bore

Withstand temperatures up to 400°F

Trans-Dapt 2137 Aluminum Carburetor Spacer

TRANS-DAPT
2137
8.63 X 7.63 X 1.13 inches
1.82 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 3.81 H x 22.098 L x 18.288 W (centimetres)

Package Weight: 1.85 pounds

Fit type: Vehicle Specific

Country of Origin : United States

#TOP13

Trans-Dapt Performance 2370 Plastic Phenolic 4 Barrel Carb Spacer Ported 0.5 In. Incl. Gaskets/Studs/Nuts/Washers Plastic Phenolic 4 Barrel Carb Spacer

TRANS-DAPT
2370
7.63 X 8.63 X 0.63 inches
1.26 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Trans-Dapt Performance Products 2370 Plastic Phenolic 4 Barrel Carb Spacer; Ported; 0.5 in.; Incl. Gaskets/Studs/Nuts/Washers;

Trans-Dapt Performance

2370

Spectre Performance Spe-5772 5772 2V-4V Carburetor Adapter

SPECTRE
5772
8.20 X 7.20 X 1.40 inches
1.32 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Precision die-cast aluminum

Gaskets and hardware included

7/8 inches thick

Made from high quality material

Mr. Gasket 3406 Phenolic Thermal Insulating Carburetor Spacer

MR. GASKET
3406
0.00 X 0.00 X 0.00 Inches
1.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to enhance the performance of the carburetors

Made from advanced phenolic thermostat plastic

Reduces the heat flow

Backed by a limited warranty

Highly durable

#TOP16

K&N 85-9445 Personal Watercraft Carb Adapter

K&N
85-9445
7.25 X 6.00 X 2.00 Inches
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon Global Store UK 0.00

Features

Allow connection of K&N flame arrestors to personal watercraft

Made of stainless steel

Engineered for performance

Replaces restrictive factory airbox

Backed by K&N warranty

#TOP17

Allstar Performance Carburetor Spacer, 1 In Thick, Open, Dominator Flange, Plastic, Gray, Each

ALLSTAR
ALL25991
8.05 X 10.95 X 1.40 Inches
0.90 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 2.54 H x 27.177 L x 17.526 W (centimetres)

Country of Origin : United States

Package Weight: 0.9 pounds

Fit type: Vehicle Specific

Mr. Gasket 1929Mrg Carburetor Adapter

MR. GASKET
1929MRG
0.00 X 0.00 X 0.00 Inches
1.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to provide excellent sealing and durability

Made of die cast aluminum

Measure 0.35 inch of nominal height

Easy to install

Backed by a limited warranty

Yost Carburetor Spacer Yse1

YOST
YSE1
4.00 X 3.00 X 1.00 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
oemcycles 9.76

Features

Yost Performance Carburetor Spacers for S&S E and B Series Carburetors

Speedmaster Pce120.1009 2 Aluminum 4150 Cnc Machined Carburetor Spacer Square Bo

SPEEDMASTER
PCE120.1009
7.10 X 7.50 X 2.40 Inches
3.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JEGS 9.75

Features

4150 Square...

4...

Aluminum CNC...

Clear Anodized Individually milled from super durable 6061 T6 aluminum billets, these CNC machined Speedmaster carburator spacers can handle anything your vehicle can dish out. They"re so tough, they"re guaranteed for life. The precise design of these Speedmaster carburetor spacers provides a smooth transition of fuel from the carburetor to the intake manifold, to increase flow for more performance. They also help to insulate the carburetor from engine heat and provide clearance for...

#TOP21

K&N 85-9329 Personal Watercraft Carb Adapter

K&N
85-9329
7.25 X 6.00 X 2.00 Inches
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Allow connection of K&N flame arrestors to personal watercraft

Made of stainless steel

Engineered for performance

Replaces restrictive factory airbox

Backed by K&N warranty

Mr. Gasket 4945 Aluminum Carburetor Spacer Kit

MR. GASKET
4945
0.00 X 0.00 X 0.00 Inches
1.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Increases power, torque and performance

Precision die-cast aluminum carburetor spacers

Includes mounting hardware

1˝ Open Center w/3⁄8˝ PCV tube

Durable and long lasting

Fit type: Vehicle Specific

Trans-Dapt 2025 Carburetor Adapter

TRANS-DAPT PERFORMANCE
2025
6.00 X 5.00 X 2.00 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Product Type :Auto Part

Package Dimensions :5.9 Cm L X18.5 Cm W X21.9 Cm H

Country Of Origin :China

Package Weight :1.0Lbs

Yost Carburetor Spacer Ysg2

YOST
YSG2
20.00 X 12.00 X 6.00 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Yost Performance Carburetor Spacers for S&S G and D Series Carburetors

Top 10 performance carburetor spacers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Trans-Dapt 5
Spectre 4
Mr. Gasket 3
Allstar 2
Edelbrock 2
K&N 2
Yost 2
Lokar 1
Moroso 1
Speedmaster 1

Top 10 performance carburetor spacers Brands Pie Chart


We've carried out a comprehensive analysis of 2,286 reviews on performance carburetor spacers, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select performance carburetor spacers priced around $40.89, with top brands including wowyzl, trans-dapt, allstar, spectre, fvrito and moroso and yost

Our team of expert editors reviewed these high-quality items and handpicked the top 24 performance carburetor spacers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include wowyzl motor parts and amazon.com and fvrito .

We are dedicated to assisting our users in finding the right adapters Products based on their needs, saving them considerable time when choosing which performance carburetor spacers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.