Best Holley 4150 Spacers

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Looking for the best Holley 4150 spacers to upgrade your engine? We’ve compiled a list of the top 10 options to help you find the perfect spacer for your car, with easy-to-read descriptions and key features to enhance your driving experience.

Holley 4150 spacers are a simple upgrade for your engine. They help your car run cooler and stronger. This guide will show you the best options available.

These spacers fit Holley 4150/4160 carbs and other square bore setups. They work with Chevy, Ford, and Mopar engines. You’ll find open and ported designs for better airflow.

Each spacer comes with gaskets and hardware for easy install. They help cut heat, boost power, and improve fuel mix. Read on to find the perfect spacer for your needs.

List of Top 10 Holley 4150 Spacers

Image Title Best For Price
1 SET Black Carb spacers 1 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 great for those with Holley, Barry Grant, Carter, or Edelbrock carbs on Chevy, Ford, or Chrysler engines.
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2 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 lovers who want to boost their engine’s power. It’s great for both pros and DIY fans looking to improve performance easily.
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JDLLONG Black Carb Spacers 1/2 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 carburetor spacer is perfect for car enthusiasts who want to improve engine performance. It’s ideal for those with Holley, Barry Grant, or Edelbrock carburetors and works great with Chevy, Ford, or Mopar engines.
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1 SET Black Carb spacers 2 1 SET Black Carb spacers 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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Canton Racing Products Canton Racing Products “85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4″), 1 Pack”

This carburetor spacer is perfect for car enthusiasts who want to boost engine performance. It’s ideal for those with Holley 4150/4160 carbs and helps keep fuel cool.
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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 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 their engine’s performance. It’s ideal for those using Holley 4150/4160 carburetors and looking for a reliable, heat-reducing solution.
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1 1″ Tall 4 Hole Ported Phenolic Carburetor Spacer 4bbl Compatible With Holley 4150 4160 SB Chevy Ford SBC BBC BB 1inch

This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power and efficiency. It’s great for those with Holley, Edelbrock, or square bore carburetors looking for an easy upgrade.
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Black Carb spacers 1/2 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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1/2 1/2″ Tall 4 Hole Ported Phenolic Carburetor Spacer 4bbl Compatible With Holley 4150 4160 SB Chevy Ford SBC BBC BB 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, Edelbrock, or similar carburetors looking for an easy upgrade.
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JEGS Phenolic Carburetor Spacer | 4150 Square Bore Flange | Open Hole Design | 1in.Tall | Includes Two Gaskets And Mounting Hardware JEGS Phenolic Carburetor Spacer | 4150 Square Bore Flange | Open Hole Design | 1in.Tall | Includes Two Gaskets And Mounting Hardware

This JEGS Phenolic Carburetor Spacer is perfect for racing fans and car lovers. It works well with many carburetors and throttle bodies.
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Detailed Reviews

Discover the top 10 Holley 4150 spacers in this expert-curated guide. Each product is thoroughly reviewed for performance, features, and value. Whether you need cooler engine temps or better fuel flow, we’ve got you covered. Find the perfect spacer to boost your engine’s power and efficiency today.

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

1 SET Black Carb spacers 1

Black carb spacers help your engine breathe better. They fit Holley 4150/4160 4-barrel carbs and other square bore carbs. They are made for SBC and BBC setups.

The 1-inch phenolic body helps cut heat transfer. This can help make a denser fuel mix for better power and use.

The open design can help with high-rpm power. It also comes with gaskets and mounting hardware for easy install.

Pros Cons
  • Compatible with popular 4 barrel carbs like Holley 4150/4160.
  • 1″ thick phenolic material cuts heat for more power.
  • Open design boosts high RPM power and torque.
  • Includes mounting hardware and gaskets for easy install.
  • Phenolic resin ensures denser air/fuel mix for efficiency.
  • Not universal: May not fit all carburetor models.
  • Open design: Could allow debris into the engine.
  • Installation: Requires careful setup for optimal performance.

Perfect For:

This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power. It’s great for those with Holley, Barry Grant, Carter, or Edelbrock carbs on Chevy, Ford, or Chrysler engines.

Ready to Purchase?

View Price on Amazon (paid link)
Related Articles

2. 2″ Open Phenolic Carburetor Spacer for Holley 4150 4160 4 Barrel Carb – Compatible with SBC BBC Small Block Big Block Chevy Engine

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Boost your power. This spacer fits Chevy engines.

The phenolic part keeps heat away. It helps your fuel stay cool. Your car will run fast.

It fits Holley carbs. It is very strong. Buy this kit now.

Pros Cons
  • Fits many carburetors and engine types easily.
  • Boosts high RPM power with open gasket design.
  • Improves torque for better engine response.
  • Perfect spread bore to square bore adapter.
  • Durable phenolic material for long-lasting use.
  • Not for stock engines, may cause rough idle or poor drivability.
  • Open design can collect debris, requiring regular cleaning.
  • Phenolic material may warp under extreme heat or pressure.

Perfect For:

This carburetor spacer is perfect for car lovers who want to boost their engine’s power. It’s great for both pros and DIY fans looking to improve performance easily.

Ready to Purchase?

View Price on Amazon (paid link)

3. JDLLONG Black Carb Spacers 1/2″ 0.5″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150 4160 4bbl. SBC BBC Carb 2 Set

JDLLONG Black Carb Spacers 1/2

JDLLONG Black Carb Spacers are made for a clean fit and easy use. They help your carb setup work with more space and flow.

This set has 2 spacers. It also includes gaskets and mounting studs. The open center design fits many Holley 4150/4160 setups.

It works with many Chevy, Ford, and Mopar engines. The phenolic build helps with heat control. It is a simple upgrade for your carburetor.

Pros Cons
  • Boosts engine performance with precise 0.5″ thickness.
  • Fits multiple carburetors like Holley, Barry Grant, and more.
  • Complete kit includes gaskets, studs, and nuts.
  • Durable phenolic material ensures long-lasting reliability.
  • Limited compatibility with other carburetor models not listed.
  • No instructions included for installation or setup.
  • Basic package lacks extra parts for advanced customization.

Perfect For:

This carburetor spacer is perfect for car enthusiasts who want to improve engine performance. It’s ideal for those with Holley, Barry Grant, or Edelbrock carburetors and works great with Chevy, Ford, or Mopar engines.

Ready to Purchase?

View Price on Amazon (paid link)

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

1 SET Black Carb spacers 2

Black carb spacers help your engine run cooler and stronger. They fit many Holley 4150/4160 4-barrel carbs.

This set uses 2-inch phenolic material. It helps cut heat and boost air and fuel mix.

The open design can help high-rpm power. It also comes with gaskets and mounting hardware.

Pros Cons
  • Compatible with popular 4-barrel carbs like Holley 4150/4160.
  • 2-inch thick spacer boosts engine power efficiently.
  • Phenolic material cuts heat for better fuel mix.
  • Includes all mounting hardware and gaskets.
  • Open design improves high RPM power and torque.
  • Not universal: May not fit all carb setups.
  • Open design: Could reduce low-end torque in some engines.
  • Phenolic material: Less durable than metal spacers.

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)

5. Canton Racing Products “85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4″), 1 Pack”

Canton Racing Products

This carb spacer fits your Holley 4150 or 4160 carb. It works well with 600 plus cfm parts.

This tool stops heat from the engine. It keeps your fuel system cool and safe.

We made it in the USA for you. Buy the 85-510 stud kit to help it fit. This part is for specific vehicles only.

Pros Cons
  • It helps stop heat soak.
  • It makes more power.
  • The part is very light.
  • It is easy to fit.
  • It stays strong and cool.
  • Not universal fit – Only works with specific Holley carburetors.
  • Requires extra purchase – Needs mounting stud kit for installation.
  • Limited use – Best for high-performance engines, not everyday driving.

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 carbs and helps keep fuel cool.

Ready to Purchase?

View Price on Amazon (paid link)

6. RoyalAir 1/4 inch Carburetor Spacer, 4 Holes, Compatible with Holley 4150/4160 Carburetors spacer replacement For Canton Racing Products 85-154 Carburetor Spacer

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 1/4 inch Carburetor Spacer fits perfectly with Holley 4150/4160 carburetors. It helps keep your engine cooler and running smoothly.

Made from durable phenolic material, it blocks heat well. It has four holes for good fuel flow. Installation is easy and secure.

Pros Cons
  • Fits perfectly with Holley 4150/4160 carburetors for reliable performance.
  • Durable phenolic material reduces heat transfer, keeping fuel cooler.
  • Precise 1/4 inch thickness ensures proper fuel flow and distribution.
  • Easy installation with secure mounting holes for tight sealing.
  • Prevents vapor lock by creating a thermal barrier between components.
  • Not universal: Only fits specific Holley carburetors, limiting use.
  • Thin design: 1/4 inch thickness may not suit all setups.
  • No hardware included: Requires separate bolts for installation.

Perfect For:

This RoyalAir carburetor spacer is perfect for car enthusiasts who want to improve their engine’s performance. It’s ideal for those using Holley 4150/4160 carburetors and looking for a reliable, heat-reducing solution.

Ready to Purchase?

View Price on Amazon (paid link)

7. 1″ Tall 4 Hole Ported Phenolic Carburetor Spacer 4bbl Compatible With Holley 4150 4160 SB Chevy Ford SBC BBC BB 1inch

1

This 1-inch carb spacer is made for easy fit. It works with 4-hole square bore setups. It helps your engine breathe better.

It fits many Holley and Edelbrock carburetors. It also works with many Ford, Mopar, and Chevy setups.

The phenolic build helps keep heat low. You get gaskets, bolts, washers, and nuts in the box.

Pros Cons
  • Boosts engine power and efficiency with denser air/fuel mix.
  • Fits Holley, Edelbrock, and more square bore carbs.
  • Increases RPM and torque for better performance.
  • Complete kit includes spacer, gaskets, bolts, and nuts.
  • Not universal fit – Check compatibility before buying.
  • Requires installation – Basic tools and skills needed.
  • Phenolic material – May not suit extreme heat conditions.

Perfect For:

This carburetor spacer is perfect for car enthusiasts who want to boost their engine’s power and efficiency. It’s great for those with Holley, Edelbrock, or square bore carburetors looking for an easy upgrade.

Ready to Purchase?

View Price on Amazon (paid link)

8. Black Carb spacers 1/2″ Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb(1 SET)

Black Carb spacers 1/2

This Black Carb Spacer fits perfectly with 4 barrel carbs like Holley 4150/4160 and others. It works well on many Small and Big Block Chevy, Ford, and Chrysler Mopar engines.
It keeps your carb cool. It boosts power at high rpm. It improves torque at low and mid speeds.
This spacer lowers fuel temperature for a stronger fuel charge. GSKMOTOR offers 30-day returns and great support.

Pros Cons
  • Fits popular 4-barrel carbs like Holley 4150/4160 and more.
  • Insulates carburetor from excessive engine heat for better performance.
  • Open design boosts high RPM power by increasing plenum volume.
  • 4-hole design improves low and mid-range torque with faster mixture flow.
  • Keeps fuel cooler for a denser, more powerful fuel charge.
  • Not universal – May not fit all carb setups.
  • Open design – Could let debris enter the intake.
  • Specific use – Best for high RPM, not daily driving.

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?

View Price on Amazon (paid link)

9. 1/2″ Tall 4 Hole Ported Phenolic Carburetor Spacer 4bbl Compatible With Holley 4150 4160 SB Chevy Ford SBC BBC BB 0.5

1/2

This spacer fits your carburetor. It works with Holley parts. It fits many engines.

The phenolic base stops heat. It keeps fuel cool. This adds more power.

The four holes help flow. It is tough and light.

Pros Cons
  • Boosts engine power and efficiency with a denser air/fuel mix.
  • Fits Holley, Edelbrock, and more for wide compatibility.
  • Improves RPM and torque with a 4-hole open design.
  • Includes all parts for easy installation.
  • Not for all engines, check compatibility before buying.
  • Requires installation, tools and skills needed for proper fit.
  • Limited thickness, may not suit all performance needs.

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, Edelbrock, or similar carburetors looking for an easy upgrade.

Ready to Purchase?

View Price on Amazon (paid link)

10. JEGS Phenolic Carburetor Spacer | 4150 Square Bore Flange | Open Hole Design | 1in.Tall | Includes Two Gaskets And Mounting Hardware

JEGS Phenolic Carburetor Spacer | 4150 Square Bore Flange | Open Hole Design | 1in.Tall | Includes Two Gaskets And Mounting Hardware

The JEGS Phenolic Carburetor Spacer is 1 inch tall. It helps with racing and some street use. It is made for easy fit and clean flow.

It has a 4150 square bore flange. It fits Holley, Edelbrock, AFB, Carter, Quick Fuel, Proform, and more.

The open hole design works well with single plane intakes. It also includes 2 gaskets and mounting hardware.

Pros Cons
  • 1-inch height helps boost air flow.
  • Fits many 4150 square bore carburetors.
  • Open hole design suits single plane intakes.
  • Comes with gaskets and mounting hardware.
  • Works for racing and some street use.
  • Not for all engines, check compatibility before buying.
  • Open design may not fit dual plane intakes well.
  • Requires tuning for best performance, not plug-and-play.

Perfect For:

This JEGS Phenolic Carburetor Spacer is perfect for racing fans and car lovers. It works well with many carburetors and throttle bodies.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Holley 4150 spacers are a simple upgrade for your engine. They help your car run cooler and stronger.

When buying Holley 4150 spacers, think about these key factors:

  • Height: Choose the right height for your engine’s needs. Taller spacers boost high-rpm power, while shorter ones improve low-end torque.
  • Material: Phenolic spacers block heat well, keeping your fuel mix cool. Aluminum spacers are lighter but conduct heat more.
  • Design: Open spacers improve airflow for high-rpm use. Ported spacers balance airflow and fuel mix for all driving conditions.
  • Compatibility: Make sure the spacer fits your Holley 4150/4160 carb and engine type (Chevy, Ford, Mopar, etc.).
  • Gaskets & Hardware: Look for spacers that include gaskets and mounting hardware for an easy install.
  • Brand & Quality: Pick trusted brands like JEGS, Canton Racing, or RoyalAir for durable and reliable spacers.
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