Best Phenolic Material Spacers

Looking for the best phenolic material spacers to upgrade your engine? We’ve tested and reviewed the top 10 options to help you boost performance and efficiency with ease.

Phenolic material spacers are a simple yet powerful upgrade for your engine. They boost performance by improving airflow and reducing heat. These spacers are easy to install and fit many popular carburetors.

We’ve tested and reviewed the best phenolic spacers to help you choose. Whether you want more power, better efficiency, or both, we’ve got you covered. Get ready to transform your engine’s performance with our expert guide.

List of Top 10 Phenolic Material Spacers

Title	Best For	Price
1″ Phenolic Carburetor Spacer	This 1″ Phenolic Carburetor Spacer is perfect for car enthusiasts who want to improve engine performance. It’s easy to install and comes with everything you need.	View on Amazon (paid link)
uxcell Carb Spacers 1″ Tall Open Phenolic Carburetor Spacer for Chevy for Ford 350 SBC BBC BB 4BBL with Gasket Screws Kit	This carburetor spacer kit is perfect for car enthusiasts and DIY mechanics who want to boost engine performance. It’s ideal for Chevy and Ford 350 engines with 4 barrel carbs, offering better RPM and torque power.	View on Amazon (paid link)
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 engine performance. It’s ideal for those with Holley 4150/4160 or similar carburetors on Chevy, Ford, or Chrysler engines.	View on Amazon (paid link)
1″ Tall Ported Phenolic Carburetor Spacer 4 Hole Compatible for SB 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 square bore carburetors looking for an easy upgrade.	View on Amazon (paid link)
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.	View on Amazon (paid link)
Canton Racing Products 85-030 Carburetor Spacer – Phenolic	This Canton Racing Products 85-030 Carburetor Spacer is perfect for car enthusiasts who want to improve their engine’s performance. It’s ideal for those with Rochester 2BBL carbs and matching intakes.	View on Amazon (paid link)
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.	View on Amazon (paid link)
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 engine performance. It’s ideal for those with Holley 4150/4160 or similar carburetors on Chevy, Ford, or Chrysler engines.	View on Amazon (paid link)
1 SET Black Carb spacers 2″ 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 engine power and efficiency. It’s ideal for those with 4-barrel carbs like Holley 4150/4160 or similar models.	View on Amazon (paid link)
1/2″ Phenolic Carburetor Spacer 4BBL SBC BBC 0.5″	This 1/2″ Phenolic Carburetor Spacer is perfect for car enthusiasts who want to boost engine performance. It’s easy to install and comes with everything you need.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Phenolic Material Spacers in our expert-reviewed guide. Each product is chosen for performance, durability, and value, ensuring you find the perfect fit. Whether you need better airflow or heat reduction, this guide has you covered. Read on to find the best upgrade for your engine’s power and efficiency.

1. 1″ Phenolic Carburetor Spacer

Boost your engine’s performance with this 1″ Phenolic Carburetor Spacer. It’s made from durable phenolic plastic and designed to fit easily. The open spacer style helps improve airflow for better power.

The package includes everything you need: a 1″ spacer, 2 gaskets, 4 bolts, 4 washers, and 4 nuts. Installation is quick and simple.

Enjoy peace of mind with a 6-month warranty. If you’re not happy, get a 100% refund within 30 days. This spacer is a reliable upgrade for your vehicle.

Pros	Cons
Boosts engine power with phenolic material. Open spacer style improves airflow and performance. Complete kit includes bolts, washers, nuts, and gaskets. 6-month warranty and 30-day refund guarantee satisfaction.	No performance data provided for this carburetor spacer. Limited warranty of only 6 months for long-term use. Open spacer style may reduce engine efficiency in some cases.

Perfect For:

This 1″ Phenolic Carburetor Spacer is perfect for car enthusiasts who want to improve engine performance. It’s easy to install and comes with everything you need.

Ready to Purchase?

View Price on Amazon (paid link)

Best PVC Ceiling Tiles

2. uxcell Carb Spacers 1″ Tall Open Phenolic Carburetor Spacer for Chevy for Ford 350 SBC BBC BB 4BBL with Gasket Screws Kit

The uxcell Carb Spacers are 1″ tall and made from durable phenolic material. They fit Chevy and Ford engines with 4-barrel carbs. The open center design boosts RPM and torque power.

This kit includes gaskets, screws, studs, and nuts for easy installation. It protects your carburetor from heat and corrosion, ensuring long-lasting performance.

Pros	Cons
Boosts engine power with 4-hole open center design. Durable Phenolic material resists heat and corrosion. Complete kit includes gaskets, screws, studs, and nuts. Universal fit for Chevy, Ford, and more 4-barrel carbs.	Not for all engines, check compatibility before buying. Requires tools for installation, not plug-and-play. No instructions included, might confuse first-time users.

Perfect For:

This carburetor spacer kit is perfect for car enthusiasts and DIY mechanics who want to boost engine performance. It’s ideal for Chevy and Ford 350 engines with 4 barrel carbs, offering better RPM and torque power.

Ready to Purchase?

View Price on Amazon (paid link)

3. 1 SET Black Carb spacers 1″ Tall Ported Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

Boost your engine’s power with this 1-inch tall phenolic carb spacer. It’s compatible with Holley 4150/4160 and other 4-barrel carbs, fitting many popular engines.

Phenolic material reduces heat transfer, creating a denser air/fuel mix. This improves power and efficiency. Ported design enhances airflow for better performance.

The package includes all mounting hardware and gaskets. Easy to install, it’s a simple upgrade for your carburetor setup.

Pros	Cons
Boosts power with phenolic material for a denser fuel mix. Fits Holley 4150/4160 and other 4-barrel carbs easily. Reduces heat transfer for better engine efficiency. Includes hardware and gaskets for quick installation.	Not universal fit – Check compatibility before buying. Requires installation – Needs tools and some skill. Phenolic material – May not suit all engine setups.

Perfect For:

This carburetor spacer is perfect for car enthusiasts who want to boost engine performance. It’s ideal for those with Holley 4150/4160 or similar carburetors on Chevy, Ford, or Chrysler engines.

Ready to Purchase?

View Price on Amazon (paid link)

4. 1″ Tall Ported Phenolic Carburetor Spacer 4 Hole Compatible for SB 4150/4160 4bbl. SBC BBC Carb

This carburetor spacer is 1 inch tall and fits SB 4150/4160 4bbl carburetors. It’s made of phenolic resin, which reduces heat transfer for better performance. The package includes everything you need for easy installation.

It works with Edelbrock, Barry Grant, F-ord, and M-opar carburetors. The spacer fits all square bore designs, making it versatile for many setups.

By lowering heat, it creates a denser air/fuel mix, boosting power and efficiency. This simple upgrade can improve your engine’s performance quickly.

Pros	Cons
Boosts power and efficiency with cooler air/fuel mix. Fits multiple brands like Edelbrock, Barry Grant, Ford, Mopar. Easy install with included gaskets and mounting hardware. Durable phenolic resin resists heat and wear.	Not for round carburetors, only fits square bores. No instructions included, installation might be tricky. Phenolic material can crack under extreme heat or pressure.

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 square bore carburetors looking for an easy upgrade.

Ready to Purchase?

View Price on Amazon (paid link)

5. 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 a must-have upgrade for your engine. It works perfectly with Holley 4150/4160 and AFB Carb Chevy 4BBL SBC BBC setups. Its 0.5-inch thickness ensures a perfect fit for better performance.

Made from phenolic material, this spacer reduces heat transfer. It creates a denser air/fuel mixture, boosting power and efficiency. The ported design improves airflow for smoother operation.

The package includes mounting hardware and gaskets for easy installation. This spacer is engineered to enhance your engine’s overall performance. Upgrade today for noticeable results!

Pros	Cons
Boosts power with phenolic material for a denser air/fuel mix. Fits Holley carbs perfectly, easy upgrade for Chevy engines. Reduces heat, improves efficiency, ported design for better flow. Complete kit with hardware and gaskets, ready to install.	Limited compatibility with non-Holley carburetors. No instructions included for installation. Phenolic material may wear faster under high heat.

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?

View Price on Amazon (paid link)

6. Canton Racing Products 85-030 Carburetor Spacer – Phenolic

The Canton Racing Products 85-030 Carburetor Spacer is a phenolic spacer. It is 1″ thick and fits Rochester 2BBL carbs. This spacer works with matching intakes.

This spacer has a 2-hole design. It is a simple upgrade for your engine.

Pros	Cons
Boosts engine power with phenolic material. Fits Rochester 2BBL carbs perfectly. 1-inch thickness for better airflow. Easy install with 2-hole design.	Limited compatibility with non-Rochester carburetors. No instructions included for installation. May not fit all intake manifolds.

Perfect For:

This Canton Racing Products 85-030 Carburetor Spacer is perfect for car enthusiasts who want to improve their engine’s performance. It’s ideal for those with Rochester 2BBL carbs and matching intakes.

Ready to Purchase?

View Price on Amazon (paid link)

7. 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 this 1-inch tall carburetor spacer. It’s compatible with many popular carburetors, including Holley, Barry Grant, Carter, and Edelbrock.

Made from phenolic material, this spacer reduces heat transfer from the intake manifold to the carburetor. This results in a denser air/fuel mixture, giving you more power and efficiency.

Open design increases airflow, improving high RPM power. Four-hole design boosts low and mid-range torque. Includes mounting hardware and gaskets.

Pros	Cons
Boosts engine power with phenolic material for better fuel mix. Fits Holley 4150/4160 and other 4-barrel carbs easily. Improves high RPM power with open design spacers. Includes mounting hardware and gaskets for quick install.	Not universal: May not fit all carburetor models. Open design: Could allow debris into the engine. Installation: Requires careful alignment for proper fit.

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?

View Price on Amazon (paid link)

8. 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 1 SET Black Carb Spacer. It’s 0.5 inches tall and fits Holley 4150/4160 4bbl carbs. Made from phenolic material, it reduces heat for a denser air/fuel mix.

The open design increases high RPM power. It also improves low-speed and mid-range torque. Perfect for Small/Big Block Chevy, Ford, and Chrysler Mopar engines.

The package includes all mounting hardware and gaskets. Easy to install and ready to use. Upgrade your carburetor performance today!

Pros	Cons
Boosts engine power with phenolic material for better fuel mix. Fits Holley 4150/4160 and other 4-barrel carbs easily. Improves high RPM power with open design spacers. Increases torque at low and mid speeds for smooth performance.	Not universal: May not fit all carb setups. Open design: Could reduce low-end torque in some cases. Phenolic material: Less durable than metal spacers.

Perfect For:

Ready to Purchase?

View Price on Amazon (paid link)

9. 1 SET Black Carb spacers 2″ Tall Ported Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

Boost your engine’s power with this 2-inch tall phenolic carburetor spacer. It’s compatible with many 4-barrel carbs, including Holley, Barry Grant, Carter, and Edelbrock.

Phenolic material keeps heat away from the carburetor. This gives you a denser air/fuel mix for more power. Easy to install with included hardware and gaskets.

Ported design improves airflow for better performance. This carb spacer set is a simple upgrade for more horsepower and efficiency.

Pros	Cons
Boosts engine power with phenolic insulation. Fits Holley 4150/4160 and more 4-barrel carbs. Includes mounting hardware and gaskets for easy install. Ported design improves airflow and efficiency.	Not universal: May not fit all carb setups. Requires install: Extra work needed for proper setup. Heat-focused: Limited gains if heat isn’t your main issue.

Perfect For:

This carburetor spacer is perfect for car enthusiasts who want to boost engine power and efficiency. It’s ideal for those with 4-barrel carbs like Holley 4150/4160 or similar models.

Ready to Purchase?

View Price on Amazon (paid link)

10. 1/2″ Phenolic Carburetor Spacer 4BBL SBC BBC 0.5″

Boost your engine’s power with the 1/2″ Phenolic Carburetor Spacer. Made from phenolic plastic, it’s durable and lightweight. The open spacer style improves airflow for better performance.

This kit includes everything you need: a 0.5″ spacer, gaskets, bolts, washers, and nuts. Installation is quick and easy. It fits 4BBL SBC BBC engines perfectly.

Enjoy a 6-month warranty for peace of mind. Not satisfied? Get a 100% refund within 30 days.

Pros	Cons
Durable phenolic plastic ensures long-lasting performance. Open spacer style boosts engine efficiency effortlessly. Complete kit includes all parts for easy installation. Risk-free purchase with 6-month warranty and 30-day refund.	No performance data provided. Limited compatibility with other carburetors. Warranty only covers 6 months.

Perfect For:

This 1/2″ Phenolic Carburetor Spacer is perfect for car enthusiasts who want to boost engine performance. It’s easy to install and comes with everything you need.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Phenolic material spacers are a simple upgrade that boosts engine performance. They improve airflow, reduce heat, and are easy to install.

Choosing the right phenolic spacer can transform your engine’s power and efficiency. Here’s what to consider:

Compatibility:
Make sure the spacer fits your carburetor and engine model. Check for compatibility with brands like Holley, Edelbrock, or Chevy.
Thickness:
Choose a thickness (like 1/2″ or 1″) based on your engine’s needs. Thicker spacers improve airflow, while thinner ones reduce heat faster.
Material Quality:
Look for durable phenolic material that resists heat and corrosion. High-quality material ensures long-lasting performance.
Design:
Decide between open or ported designs. Open spacers boost high RPM power, while ported designs improve airflow for better efficiency.
Included Hardware:
Check if the kit includes gaskets, bolts, and nuts. Complete kits make installation quick and hassle-free.
Warranty and Returns:
Opt for spacers with a warranty and refund policy. This ensures peace of mind if you’re not satisfied.
Price and Value:
Compare prices and features to find the best value. A good spacer is an investment in your engine’s performance.

Upgrade your engine with the right phenolic spacer and enjoy more power and efficiency today!