Looking for the best Holley 4150/4160 carburetor spacers? We’ve tested and reviewed the top 10 options to help you maximize your engine’s performance with ease.
Looking to boost your engine’s performance? The Holley 4150/4160 carburetor spacers are a game-changer. These spacers are designed to improve power and efficiency, making them a must-have upgrade for any car enthusiast.
Whether you’re a professional mechanic or a DIY fan, finding the right carburetor spacer can be overwhelming. But don’t worry, we’ve got you covered. Our guide will help you choose the perfect spacer to maximize your engine’s potential.
We’ve tested and reviewed the best Holley 4150/4160 carburetor spacers available. Easy to install, durable, and high-performing, these spacers will take your engine to the next level. Let’s dive in!
List of Top 10 Holley 4150 4160 Carburetor Spacers
| Image | Title | Best For | Price |
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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 RoyalAir carburetor spacer is perfect for car enthusiasts who want to improve engine performance. It’s ideal for those using Holley 4150/4160 carburetors and looking to reduce heat and prevent vapor lock. |
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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 4-barrel carbs like Holley 4150/4160 or similar models. |
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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 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 carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power. It’s ideal for those with Holley, Barry Grant, Carter, or Edelbrock carburetors on Chevy, Ford, or Chrysler engines. |
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Canton Racing 85-162 Phenolic Carburetor Spacer for 4150/4160 Holley Open 1/2 Inch, 1 Pack |
This Canton Racing Phenolic Carburetor Spacer is perfect for car enthusiasts who want to improve their engine’s performance. It’s ideal for those with a Holley 4150/4160 carburetor looking to reduce heat transfer and enhance fuel efficiency. |
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JDLLONG Black Carb Spacers 1/2″ 0.5″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150 4160 4bbl. SBC BBC Carb 2 Set |
This product is perfect for car owners who need a reliable carburetor spacer. It’s great for upgrading engines like Chevy, Ford, or Chrysler Mopar. |
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1 SET SHLPDFM Carburetor Spacer 1/2″ Ported Phenolic Carburetor Spacer Compatible with Holley Holley 4150/4160 & AFB Carb Chevy 4BBL SBC BBC 0.5″ |
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 AFB Carb Chevy 4BBL SBC BBC setups. |
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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 carburetor spacer is perfect for car enthusiasts and mechanics who want to boost engine performance. It’s ideal for those with Holley, Barry Grant, or Edelbrock setups and works great with Small/Big Block Chevy, Ford, or Chrysler engines. |
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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 product is perfect for car enthusiasts who want to boost their engine’s performance. It’s ideal for those with compatible 4-barrel carbs looking to improve power and torque. |
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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 carburetor spacer is perfect for car enthusiasts and DIY mechanics who want to boost their engine’s power. It’s ideal for those seeking better performance from their Small or Big Block Chevy engines. |
Detailed Reviews
Discover the top 10 Holley 4150 4160 Carburetor Spacers in this expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect upgrade for your engine. Whether you’re a DIY enthusiast or a professional mechanic, this guide makes it easy to choose the best spacer for your needs.
1. RoyalAir 1/4 inch Carburetor Spacer, 4 Holes, Compatible with Holley 4150/4160 Carburetors spacer replacement For Canton Racing Products 85-154 Carburetor Spacer

The RoyalAir 1/4 inch Carburetor Spacer is a must-have upgrade for your engine. It’s designed to fit Holley 4150/4160 carburetors, ensuring a perfect match.
Made from durable phenolic material, this spacer reduces heat transfer between your carburetor and intake manifold. This helps keep fuel temperatures cooler, preventing vapor lock and improving performance.
Easy to install, with mounting holes for secure attachment. Four precisely machined holes ensure proper fuel flow. Upgrade your engine with this high-quality spacer.
| Pros | Cons |
|---|---|
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Perfect For:
This RoyalAir carburetor spacer is perfect for car enthusiasts who want to improve engine performance. It’s ideal for those using Holley 4150/4160 carburetors and looking to reduce heat and prevent vapor lock.
Ready to Purchase?
2. 1 SET Black Carb spacers 1/2″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

Boost your engine’s power with this Black Carb Spacer Set. It’s compatible with many 4-barrel carbs, including Holley, Barry Grant, and Edelbrock. The 0.5-inch thickness is just right for improved performance.
Made from phenolic material, this spacer reduces heat transfer from the intake manifold. This results in a denser air/fuel mixture, giving you more power and efficiency.
The open design increases plenum volume for high RPM power. Plus, the 4-hole design boosts mixture velocity, improving low-speed and mid-range torque. Mounting hardware and gaskets are included for easy installation.
| 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 4-barrel carbs like Holley 4150/4160 or similar models.
Ready to Purchase?
3. 1 SET Black Carb spacers 1″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

Boost your engine’s power with the 1 SET Black Carb Spacers. These 1-inch tall spacers are compatible with Holley 4150/4160 and other 4-barrel carbs. They fit Small/Big Block Chevy, Ford, and Chrysler Mopar engines.
Phenolic material reduces heat transfer for a denser air/fuel mix. The open design improves high RPM power. 4-hole designs boost low-speed and mid-range torque.
Package includes mounting hardware and gaskets. Easy to install and ready to use. Upgrade your carburetor for better performance.
| 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?
4. 1 SET Black Carb spacers 1″ Tall Ported Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

This 1-inch tall phenolic carb spacer is compatible with Holley 4150/4160 and other 4-barrel carbs. It’s designed to boost engine power and efficiency by reducing heat transfer.
Made from phenolic material, it insulates the carburetor for a denser air/fuel mix. The ported design and included hardware make installation easy.
| 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, Barry Grant, Carter, or Edelbrock carburetors on Chevy, Ford, or Chrysler engines.
Ready to Purchase?
5. Canton Racing 85-162 Phenolic Carburetor Spacer for 4150/4160 Holley Open 1/2 Inch, 1 Pack

The Canton Racing 85-162 Phenolic Carburetor Spacer is designed for Holley #4150/4160 carburetors. It improves engine performance by reducing heat transfer. This spacer is proudly made in the USA.
It stops heat from the engine from reaching the fuel system. This helps keep fuel cooler and more efficient. The spacer is easy to install with the right tools.
For best results, use with the 85-510 Mounting Stud Kit. This kit is a recommended accessory for secure installation.
| Pros | Cons |
|---|---|
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Perfect For:
This Canton Racing Phenolic Carburetor Spacer is perfect for car enthusiasts who want to improve their engine’s performance. It’s ideal for those with a Holley 4150/4160 carburetor looking to reduce heat transfer and enhance fuel efficiency.
Ready to Purchase?
6. JDLLONG Black Carb Spacers 1/2″ 0.5″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150 4160 4bbl. SBC BBC Carb 2 Set

The JDLLONG Black Carb Spacers are designed for optimal performance. These spacers measure 0.5 inches in thickness and feature an open center style.
They are compatible with several carburetors, including Holley 4150/4160 and others. The package includes two spacers, four gaskets, and eight mounting studs and nuts. This ensures you have everything needed for installation.
Before purchasing, check the provided photos and descriptions carefully. If you have questions, feel free to email for assistance. You will receive a response within 24 hours.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for car owners who need a reliable carburetor spacer. It’s great for upgrading engines like Chevy, Ford, or Chrysler Mopar.
Ready to Purchase?
7. 1 SET SHLPDFM Carburetor Spacer 1/2″ Ported Phenolic Carburetor Spacer Compatible with Holley Holley 4150/4160 & AFB Carb Chevy 4BBL SBC BBC 0.5″

The SHLPDFM Carburetor Spacer is compatible with Holley 4150/4160 and AFB Carb Chevy 4BBL SBC BBC. Its ported design improves airflow for better performance. The 0.5-inch thickness fits perfectly with your setup.
Made from phenolic material, it reduces heat transfer for a denser air/fuel mixture. The package includes mounting hardware and gaskets for easy installation.
| 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 AFB Carb Chevy 4BBL SBC BBC setups.
Ready to Purchase?
8. 2″ Open Phenolic Carburetor Spacer for Holley 4150 4160 4 Barrel Carb – Compatible with SBC BBC Small Block Big Block Chevy Engine

The 2″ Open Phenolic Carburetor Spacer is designed for Holley 4150 and 4160 carburetors. It fits various engines like Small Block and Big Block Chevy.
This carburetor adapter increases the plenum volume. It helps boost high RPM power. This is great for mechanics and DIY fans aiming for top performance.
The 4-hole design improves mixture velocity. This leads to better low-end and mid-range torque. Overall, it makes your engine more responsive and efficient.
| Pros | Cons |
|---|---|
|
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Perfect For:
This carburetor spacer is perfect for car enthusiasts and mechanics who want to boost engine performance. It’s ideal for those with Holley, Barry Grant, or Edelbrock setups and works great with Small/Big Block Chevy, Ford, or Chrysler engines.
Ready to Purchase?
9. Black Carb spacers 1/2″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb(1 SET)

Boost your engine’s power with the Black Carb Spacers. These 1/2″ tall phenolic spacers fit 4-barrel carbs like Holley 4150/4160, Barry Grant, Carter, and Edelbrock.
They insulate your carb from heat, improve fuel density, and boost high RPM power. GSKMOTOR offers 30-day returns and fast support.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for car enthusiasts who want to boost their engine’s performance. It’s ideal for those with compatible 4-barrel carbs looking to improve power and torque.
Ready to Purchase?
10. 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 carburetor spacer is a must-have for anyone looking to boost engine performance. It’s compatible with Holley 4150/4160 and other 4-barrel carburetors, fitting Small/Big Block Chevy, Ford, and Chrysler Mopar engines.
Its open design increases plenum volume, which enhances high RPM power. The 4-hole adapter plate improves mixture velocity, giving better low-end and mid-range torque.
Durable, precise, and easy to install. Perfect for professionals and DIY enthusiasts. Upgrade your engine today!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This carburetor spacer is perfect for car enthusiasts and DIY mechanics who want to boost their engine’s power. It’s ideal for those seeking better performance from their Small or Big Block Chevy engines.
Ready to Purchase?
Buying Guide
Looking to boost your engine’s performance? Holley 4150/4160 carburetor spacers are a game-changer. Let’s dive into how to choose the best one for your needs.
Buying Guide for Holley 4150/4160 Carburetor Spacers
Choosing the right carburetor spacer can maximize your engine’s potential. Here’s what to consider:
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Material:
Phenolic material is popular because it reduces heat transfer, keeping fuel cooler and improving performance. It’s durable and insulates well. -
Thickness:
The thickness affects airflow and fuel mixture. 1/4 inch spacers are common, but 1/2 inch or 1 inch spacers can boost high RPM power or improve low-end torque. -
Design:
Open designs increase plenum volume for high RPM power, while ported designs enhance airflow and mixture velocity. Choose based on your engine’s needs. -
Compatibility:
Ensure the spacer is compatible with your Holley 4150/4160 carburetor and engine type (e.g., SBC, BBC, Ford, Chrysler Mopar). -
Installation:
Look for spacers with included hardware (gaskets, studs, nuts) for easy installation. Precise machining ensures a secure fit. -
Performance Goals:
Decide if you want better fuel efficiency, more power, or improved torque. Different spacers cater to specific performance needs. -
Brand Reputation:
Trusted brands like RoyalAir, Canton Racing, and JDLLONG offer reliable and high-quality spacers.
Upgrade your engine with the right Holley 4150/4160 carburetor spacer and experience the difference in performance!