Looking to boost your engine’s performance with the best Holley 4150 carburetor spacer? We offer high-quality phenolic spacers that block heat, create denser fuel mixes, and fit SBC, BBC, Ford, and Mopar engines for smoother rides and more power.
Looking to boost your engine’s performance? A Holley 4150 carburetor spacer delivers more power and cooler fuel mixes.
Phenolic spacers block heat. This creates a denser fuel mix for smoother rides. They fit SBC, BBC, Ford, and Mopar engines like magic.
Easy installs with included gaskets and hardware. Choose 1″, 2″, or 1/4″ heights for high RPM gains or low-end torque. Trusted brands like JEGS and ApplianPar promise long-lasting results.
List of Top 10 Holley 4150 Carburetor Spacers
| Image | Title | Best For | Price |
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1 SET Black Carb spacers 1″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb |
This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power. It’s ideal for those with Holley 4150/4160 or similar carburetors on Chevy, Ford, or Chrysler engines. |
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ApplianPar 1″ Carburetor Spacer Adapter Open Center for Holley 4BBL Carter AFB for Edelbrock Carb |
This carburetor spacer adapter is perfect for anyone looking to improve their engine’s performance with Holley, Carter AFB, or Edelbrock 4BBL carburetors. It’s great for car enthusiasts who want an easy-to-install, open center spacer that fits several popular 4 barrel carbs. If you need a thick, reliable spacer with all the mounting parts included, this is the right choice. |
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2″ Open Phenolic Carburetor Spacer for Holley 4150 4160 4 Barrel Carb – Compatible with SBC BBC Small Block Big Block Chevy Engine |
This 2-inch open phenolic carburetor spacer is perfect for engine builders and performance enthusiasts looking to boost low-end torque and high-RPM power. It’s a direct fit for Holley 4150/4160 carburetors and a wide range of Chevy, Ford, and Mopar engines, making it a versatile upgrade for many projects. |
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RoyalAir 1/4 inch Carburetor Spacer, 4 Holes, Compatible with Holley 4150/4160 Carburetors spacer replacement For Canton Racing Products 85-154 Carburetor Spacer |
This product is perfect for car and truck owners with Holley 4150/4160 carburetors who want reliable performance and heat reduction. It helps prevent vapor lock and boosts fuel efficiency with its durable phenolic design and secure fit. |
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1 SET Black Carb spacers 1/2″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb |
This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power and efficiency. It’s ideal for those with Holley 4150/4160 or similar carburetors on Chevy, Ford, or Chrysler engines. |
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1 SET Black Carb spacers 1″ Tall Ported Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb |
This 1″ tall phenolic carburetor spacer is perfect for Chevy, Ford, and Mopar engine owners looking to boost power and efficiency. It’s designed for 4-barrel carburetors like the Holley 4150/4160, making it a great upgrade for many classic and performance vehicles. |
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Black Carb spacers 1/2″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb(1 SET) |
This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s performance. It’s ideal for those with 4-barrel carbs like Holley 4150/4160, Barry Grant, Carter, or Edelbrock on Chevy, Ford, or Chrysler engines. |
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JEGS Carburetor Spacer | 4150 Square Bore Flange | Open Hole Design | 1” Tall | Includes Two Gaskets And Mounting Hardware |
This JEGS Carburetor Spacer is perfect for car enthusiasts and racers who want to boost their engine’s performance. It fits many popular carburetors and is great for both street and race cars. If you want a simple, lightweight upgrade that helps your engine run cooler and stronger, this is the right choice. |
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1 SET Black Carb spacers 2″ Tall Ported Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb |
This 2″ tall ported phenolic carburetor spacer is perfect for Chevy, Ford, and Chrysler Mopar engine owners looking to boost their Small Block or Big Block performance. It’s designed to work with Holley 4150/4160 4-barrel carburetors and similar square bore models, helping you get more power and better efficiency. |
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JEGS Holley Carburetor Spacer | Aluminum | 4150 Square Bore Flange | Open | 2” Tall | Includes Two Gaskets And Mounting Hardware |
This JEGS Holley Carburetor Spacer is perfect for car enthusiasts who want to boost engine performance. It’s ideal for street or racing use, fitting most carburetors and throttle bodies. Easy to install, it comes with everything you need to get started. |
Detailed Reviews
Discover the top 10 Holley 4150 carburetor spacers expertly selected for peak engine performance. Our guide reveals the best options for power and efficiency. Find the perfect fit for your needs. Let us help you unlock your engine’s full potential.
1. 1 SET Black Carb spacers 1″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

Upgrade your engine with this 1″ tall open phenolic carburetor spacer. It fits many 4-barrel carbs like Holley 4150/4160. This spacer helps your car run better and cooler.
Made from phenolic material, it stops heat from reaching the carburetor. This keeps the air and fuel mix cooler and denser. Cooler mix means more power and better fuel use.
The open design raises plenum volume for more power at high RPM. It also comes with all the mounting hardware and gaskets you need. Easy to install and built to last.
| Pros | Cons |
|---|---|
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Perfect For:
This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power. It’s ideal for those with Holley 4150/4160 or similar carburetors on Chevy, Ford, or Chrysler engines.
Ready to Purchase?
2. ApplianPar 1″ Carburetor Spacer Adapter Open Center for Holley 4BBL Carter AFB for Edelbrock Carb

Boost your engine’s power with the ApplianPar Carburetor Spacer. This 1-inch thick spacer is designed for open center airflow. It’s a perfect fit for Holley, Carter AFB, and Edelbrock carburetors.
Easily install this spacer with the included gaskets and mounting hardware. Get ready for a smoother ride and better performance.
| Pros | Cons |
|---|---|
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Perfect For:
This carburetor spacer adapter is perfect for anyone looking to improve their engine’s performance with Holley, Carter AFB, or Edelbrock 4BBL carburetors. It’s great for car enthusiasts who want an easy-to-install, open center spacer that fits several popular 4 barrel carbs. If you need a thick, reliable spacer with all the mounting parts included, this is the right choice.
Ready to Purchase?
3. 2″ Open Phenolic Carburetor Spacer for Holley 4150 4160 4 Barrel Carb – Compatible with SBC BBC Small Block Big Block Chevy Engine

This 2″ open phenolic carburetor spacer fits Holley 4150/4160, Edelbrock, and other 4-barrel carbs. It works with Small Block Chevy, Big Block Chevy, Ford, and Chrysler Mopar engines.
Open design boosts high RPM power. The 4-hole plate increases low-end torque. It adapts spread bore carbs to square bore intakes.
Made from durable phenolic, this spacer ensures a snug fit and smooth airflow. It’s ideal for mechanics and DIYers chasing better engine response and efficiency.
| Pros | Cons |
|---|---|
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Perfect For:
This 2-inch open phenolic carburetor spacer is perfect for engine builders and performance enthusiasts looking to boost low-end torque and high-RPM power. It’s a direct fit for Holley 4150/4160 carburetors and a wide range of Chevy, Ford, and Mopar engines, making it a versatile upgrade for many projects.
Ready to Purchase?
4. RoyalAir 1/4 inch Carburetor Spacer, 4 Holes, Compatible with Holley 4150/4160 Carburetors spacer replacement For Canton Racing Products 85-154 Carburetor Spacer

Upgrade your engine’s performance with the RoyalAir 1/4 inch Carburetor Spacer. This essential part ensures optimal fuel delivery for your Holley 4150/4160 carburetors.
It’s made from tough phenolic material. This spacer blocks heat transfer. Get better engine function today!
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for car and truck owners with Holley 4150/4160 carburetors who want reliable performance and heat reduction. It helps prevent vapor lock and boosts fuel efficiency with its durable phenolic design and secure fit.
Ready to Purchase?
5. 1 SET Black Carb spacers 1/2″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

This carburetor spacer is designed for 4-barrel carbs with a square bore base, such as Holley 4150/4160, Barry Grant, Carter, and Edelbrock. It fits Small/Big Block Chevy, Ford, and Chrysler Mopar engines.
The phenolic material reduces heat transfer from the intake manifold to the carburetor. This helps create a denser air/fuel mixture for better power and efficiency.
The package includes mounting hardware and gaskets. It features an open design for better high RPM power. Easy installation with no hassle.
| Pros | Cons |
|---|---|
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Perfect For:
This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power and efficiency. It’s ideal for those with Holley 4150/4160 or similar carburetors on Chevy, Ford, or Chrysler engines.
Ready to Purchase?
6. 1 SET Black Carb spacers 1″ Tall Ported Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

Unleash more power and better fuel economy from your engine with this 1″ tall ported phenolic carburetor spacer! It’s designed to fit popular 4-barrel carburetors like Holley 4150/4160, making it a fantastic upgrade for many Chevy, Ford, and Mopar engines.
This phenolic spacer acts as a heat shield, keeping your carburetor cool. This means a denser air-fuel mix, leading to a noticeable boost in performance and efficiency. Plus, it comes complete with all the mounting hardware and gaskets you need!
Easy to install. Boost your engine’s performance. Get more miles per gallon.
| Pros | Cons |
|---|---|
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Perfect For:
This 1″ tall phenolic carburetor spacer is perfect for Chevy, Ford, and Mopar engine owners looking to boost power and efficiency. It’s designed for 4-barrel carburetors like the Holley 4150/4160, making it a great upgrade for many classic and performance vehicles.
Ready to Purchase?
7. Black Carb spacers 1/2″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb(1 SET)

Black Carb spacers are made of phenolic plastic for Holley 4150/4160 and other 4-barrel carbs. They insulate carbs from engine heat to lower fuel temps. This creates a denser fuel mix for more power.
The open design boosts plenum volume for high RPM power. 4-hole designs improve low-speed torque by increasing air/fuel velocity. Fits Small/Big Block Chevy, Ford, and Mopar engines easily.
GSKMOTOR offers 30 days returns for hassle-free support. Contact them for any issues—they aim to help fast.
| Pros | Cons |
|---|---|
|
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Perfect For:
This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s performance. It’s ideal for those with 4-barrel carbs like Holley 4150/4160, Barry Grant, Carter, or Edelbrock on Chevy, Ford, or Chrysler engines.
Ready to Purchase?
8. JEGS Carburetor Spacer | 4150 Square Bore Flange | Open Hole Design | 1” Tall | Includes Two Gaskets And Mounting Hardware

The JEGS Carburetor Spacer is perfect for street and racing applications. It stands 1 inch tall, providing a good balance of performance. The open hole design helps improve airflow for better engine efficiency.
This spacer fits 4150 square bore carburetors like Holley, Edelbrock, and others. It also works with single and some dual-plane intake manifolds.
Made from aluminum, this spacer reduces weight and improves heat insulation. It includes two gaskets and all the mounting hardware you need for easy installation.
| Pros | Cons |
|---|---|
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Perfect For:
This JEGS Carburetor Spacer is perfect for car enthusiasts and racers who want to boost their engine’s performance. It fits many popular carburetors and is great for both street and race cars. If you want a simple, lightweight upgrade that helps your engine run cooler and stronger, this is the right choice.
Ready to Purchase?
9. 1 SET Black Carb spacers 2″ Tall Ported Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

This carburetor spacer is 2 inches tall and made of phenolic material. It fits 4-barrel carbs like Holley 4150/4160 and others. The ported design helps boost power and efficiency.
It comes with mounting hardware and gaskets for easy installation. The phenolic material reduces heat transfer, giving a denser air/fuel mix.
| Pros | Cons |
|---|---|
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Perfect For:
This 2″ tall ported phenolic carburetor spacer is perfect for Chevy, Ford, and Chrysler Mopar engine owners looking to boost their Small Block or Big Block performance. It’s designed to work with Holley 4150/4160 4-barrel carburetors and similar square bore models, helping you get more power and better efficiency.
Ready to Purchase?
10. JEGS Holley Carburetor Spacer | Aluminum | 4150 Square Bore Flange | Open | 2” Tall | Includes Two Gaskets And Mounting Hardware

Boost your engine’s power with the JEGS Holley Carburetor Spacer. This 2-inch tall aluminum spacer is designed to fit 4150 square bore carburetors, improving your vehicle’s performance.
It’s an open design for single or dual plane intake manifolds. You get two gaskets and mounting hardware included. Plus, it’s made of lightweight aluminum for better heat insulation.
| Pros | Cons |
|---|---|
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Perfect For:
This JEGS Holley Carburetor Spacer is perfect for car enthusiasts who want to boost engine performance. It’s ideal for street or racing use, fitting most carburetors and throttle bodies. Easy to install, it comes with everything you need to get started.
Ready to Purchase?
Buying Guide
Looking to enhance your engine’s performance? A Holley 4150 carburetor spacer can make a significant difference. These spacers improve airflow, leading to more power and better fuel efficiency.
When buying a carburetor spacer, consider the following factors:
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Material: Choose spacers made from phenolic or aluminum. Phenolic spacers block heat effectively, while aluminum spacers are lightweight and provide good insulation.
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Height: Select the right height for your needs. Options like 1″, 2″, or 1/4″ can affect your engine’s performance, with taller spacers generally boosting high RPM power.
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Design: Look for an open design for better airflow. This design can enhance performance by increasing plenum volume and improving air-fuel mixture.
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Compatibility: Ensure the spacer fits your specific carburetor model, such as Holley 4150/4160. Compatibility with your engine type (SBC, BBC, Ford, or Mopar) is crucial for optimal performance.
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Installation: Check if the spacer comes with gaskets and mounting hardware. Easy installation can save you time and hassle.
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Brand Reputation: Opt for trusted brands like JEGS or ApplianPar. Reliable brands often provide better quality and customer support.
By considering these factors, you can choose the best Holley 4150 carburetor spacer to boost your engine’s performance effectively!