Are you looking for the best Holley springs to enhance your engine’s performance? We’ve got you covered with a curated list of top picks, easy tips, and expert advice to help you choose the perfect spring for your Holley carb, ensuring a smooth and reliable upgrade for your ride.
Holley springs are key to a smooth-running engine. They help your carburetor work right. This guide shows you the best Holley springs for your needs.
We’ll share easy tips to pick the right springs. You’ll learn how they boost performance and reliability. Get ready to upgrade your ride with confidence.
Discover top picks for your Holley carb. Find the perfect spring for your setup. Let’s make your engine run like new!
List of Top 10 Holley Springs
| Image | Title | Best For | Price |
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Moroso 65425 Vacuum Secondary Spring Kit, Fits Holley Carburetors |
This kit is perfect for racers who want simple, fast control over how their vacuum secondary opens and closes. It’s great for anyone who wants an easy way to tune their Holley carb for smoother, stronger runs. |
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Holley 20-13 Secondary Diaphragm Spring Kit |
This Holley 20-13 Secondary Diaphragm Spring Kit is perfect for anyone who wants to improve their carburetor’s performance. It’s easy to install and works great for upgrades. |
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YGQ 4700 Throttle Return Springs Fit for Holley 4150 4160 SBC BBC Chevy Ford 302 350 |
This product is perfect for car enthusiasts who want to boost their vehicle’s performance. It’s ideal for those with high-performance carburetors looking for reliable throttle response. |
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Throttle Return Spring Kit Holley Carb Throttle Return Kit Compatible for Holley 4150 4BBL SBC BBC Chevy |
This Throttle Return Spring Kit is perfect for car enthusiasts and DIY mechanics who need a reliable replacement for their Holley 4150 4BBL carburetor. It’s easy to install and works great for SBC BBC Chevy and Ford vehicles. |
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4150 4160 rebuild kit 20-13 Secondary Diaphragm Springs Replacement For Holley 20-13 Secondary Diaphragm Spring Kit |
This rebuild kit is perfect for anyone with a Holley 4150 or 4160 carburetor needing a quick and easy fix. It’s ideal for DIY enthusiasts or mechanics looking to replace worn-out secondary diaphragm springs. |
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1 Set SHLPDFM Chrome Carburetor Throttle Dual Return Spring Kit Compatible with Holley 2300 2305 4150 4160 Carburetor SBC BBC Chevy Ford carb |
This kit is perfect for car lovers who want a smooth throttle and easy control. It fits most classic cars and hot rods like Chevy, Ford, and Mopar. |
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(10 Pack) Center Hung Float Bumper Springs Fits: Holley Carburetor 2300 4150 4160 4500 |
This 10 Pack is perfect for anyone who wants smooth, steady fuel flow in their Holley carburetor. It’s great for drivers who want simple, reliable parts that keep their engine running strong. |
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20-123 Side Hung Primary & Secondary Float Springs Fits For Holley Carburetor |
This product is perfect for carb lovers who want smooth, steady fuel flow with simple, reliable parts. It’s great for anyone who wants their Holley carb to run clean and strong. |
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HOLLEY Dia Spring KIT |
The HOLLEY Dia Spring KIT is perfect for anyone who wants a great product. It’s easy to use and works well for all. |
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Holley Carburetor Throttle Return Spring Kit |
This Holley Carburetor Throttle Return Spring Kit is perfect for car enthusiasts who want to upgrade their Holley carbs. It’s easy to install and works great for 2300/2305 & 4150/4160 models. |
Detailed Reviews
This guide brings you the top Holley springs trusted by experts and real users. Each pick is reviewed with clear, simple insights you can rely on. You’ll feel confident knowing you’re getting straight, helpful guidance. The easy flow of information will make you want to keep reading.
1. Moroso 65425 Vacuum Secondary Spring Kit, Fits Holley Carburetors

This kit gives you control. It lets you set how the vacuum secondary opens. It helps your setup run smooth.
You get seven color‑coded springs. Each one has a different rate. Clear instructions guide you.
The springs fit many Holley carburetors. The design is universal.
Use the right spring for your build. Enjoy simple, fast tuning.
| Pros | Cons |
|---|---|
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Perfect For:
This kit is perfect for racers who want simple, fast control over how their vacuum secondary opens and closes. It’s great for anyone who wants an easy way to tune their Holley carb for smoother, stronger runs.
Ready to Purchase?
2. Holley 20-13 Secondary Diaphragm Spring Kit

The Holley 20-13 Secondary Diaphragm Spring Kit keeps your carb working smooth. It helps your engine breathe better. It gives you steady, clean power.
This kit uses a strong secondary diaphragm spring. It keeps the carb response light and quick.
You get simple parts that fit well. You get reliable performance every time.
| Pros | Cons |
|---|---|
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Perfect For:
This Holley 20-13 Secondary Diaphragm Spring Kit is perfect for anyone who wants to improve their carburetor’s performance. It’s easy to install and works great for upgrades.
Ready to Purchase?
3. YGQ 4700 Throttle Return Springs Fit for Holley 4150 4160 SBC BBC Chevy Ford 302 350

Upgrade your carburetor with the YGQ 4700 Throttle Return Springs. These springs fit Holley 4150 and 4160 models, as well as SBC, BBC, Chevy, and Ford engines. They are designed for high performance.
The dual spring design features an inner and outer coil, providing added throttle return response. This improves reliability and increases safety. The springs are made of steel wire for durability.
Each package includes 2 stainless steel springs. They are easy to install and work with various throttle return brackets and cables. Enhance your engine’s performance with these high-quality springs.
| Pros | Cons |
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Perfect For:
This product is perfect for car enthusiasts who want to boost their vehicle’s performance. It’s ideal for those with high-performance carburetors looking for reliable throttle response.
Ready to Purchase?
4. Throttle Return Spring Kit Holley Carb Throttle Return Kit Compatible for Holley 4150 4BBL SBC BBC Chevy

The Throttle Return Spring Kit is compatible with Holley 4150 4BBL carburetors. It ensures smooth throttle operation for your vehicle.
This kit fits SBC BBC Chevy and Ford models. It’s easy to install and works reliably. Contact the seller if you have questions.
The spring is durable and built to last. It improves throttle response and performance. A must-have for carburetor upgrades.
| Pros | Cons |
|---|---|
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Perfect For:
This Throttle Return Spring Kit is perfect for car enthusiasts and DIY mechanics who need a reliable replacement for their Holley 4150 4BBL carburetor. It’s easy to install and works great for SBC BBC Chevy and Ford vehicles.
Ready to Purchase?
5. 4150 4160 rebuild kit 20-13 Secondary Diaphragm Springs Replacement For Holley 20-13 Secondary Diaphragm Spring Kit

4150 4160 rebuild kit keeps your carburetor running smooth. It fits right in.
Replaces old Holley 20-13 secondary diaphragm springs. It holds 7 springs. All springs have a different color, guide inside.
Works in Holley 4150 / 4160 carburetors. Boost performance instantly.
| Pros | Cons |
|---|---|
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Perfect For:
This rebuild kit is perfect for anyone with a Holley 4150 or 4160 carburetor needing a quick and easy fix. It’s ideal for DIY enthusiasts or mechanics looking to replace worn-out secondary diaphragm springs.
Ready to Purchase?
6. 1 Set SHLPDFM Chrome Carburetor Throttle Dual Return Spring Kit Compatible with Holley 2300 2305 4150 4160 Carburetor SBC BBC Chevy Ford carb

Upgrade your carburetor with the SHLPDFM Chrome Carburetor Throttle Dual Return Spring Kit. It’s compatible with Holley, AED, Quick Fuel, and more, fitting most classic cars like Chevy, Ford, and Mopar.
Made from high-quality steel, this kit is chrome-plated for durability and a clean look. It mounts directly to the carburetor, ensuring smooth throttle operation and meeting dragstrip rules for dual springs.
Includes two spring sets (light and heavy tension) for custom pedal feel. All mounting hardware is included for easy installation.
| Pros | Cons |
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Perfect For:
This kit is perfect for car lovers who want a smooth throttle and easy control. It fits most classic cars and hot rods like Chevy, Ford, and Mopar.
Ready to Purchase?
7. (10 Pack) Center Hung Float Bumper Springs Fits: Holley Carburetor 2300 4150 4160 4500

Fix your car fast. This ten pack fits your Holley carb.
These steel springs stop float bounce. They fit many models. Keep your fuel flow steady.
| Pros | Cons |
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Perfect For:
This 10 Pack is perfect for anyone who wants smooth, steady fuel flow in their Holley carburetor. It’s great for drivers who want simple, reliable parts that keep their engine running strong.
Ready to Purchase?
8. 20-123 Side Hung Primary & Secondary Float Springs Fits For Holley Carburetor

Get smooth fuel flow with these strong 20-123 side hung float springs. They fit fast, hold firm, and keep your carb running right.
They fit Holley carbs with side hung floats. They also fit Holley 4160 units. They work with AED, Quick Fuel, Barry Grant, Street Avenger, and Demon carbs.
You get one primary spring and one secondary spring in the pack. They are simple to use. They give steady float control.
| Pros | Cons |
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Perfect For:
This product is perfect for carb lovers who want smooth, steady fuel flow with simple, reliable parts. It’s great for anyone who wants their Holley carb to run clean and strong.
Ready to Purchase?
9. HOLLEY Dia Spring KIT

The HOLLEY Dia Spring KIT gives your setup smooth, steady performance. It is a great product built for simple, strong results.
It fits fast. It works clean. It stays solid.
| Pros | Cons |
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Perfect For:
The HOLLEY Dia Spring KIT is perfect for anyone who wants a great product. It’s easy to use and works well for all.
Ready to Purchase?
10. Holley Carburetor Throttle Return Spring Kit

This return spring kit gives your carb a smooth, steady pull. Every part is built for clean, easy control.
It fits Holley 2300/2305 and 4150/4160 carbs. It comes with heavy and light springs. The chrome finish adds a bright, clean look.
The springs install fast. They hold strong under steady use. They keep your throttle firm and safe.
| Pros | Cons |
|---|---|
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Perfect For:
This Holley Carburetor Throttle Return Spring Kit is perfect for car enthusiasts who want to upgrade their Holley carbs. It’s easy to install and works great for 2300/2305 & 4150/4160 models.
Ready to Purchase?
Buying Guide
Holley springs are key to a smooth-running engine. They help your carburetor work right. This guide shows you the best Holley springs for your needs.
Upgrade your ride with confidence. We’ll share easy tips to pick the right springs. You’ll learn how they boost performance and reliability.
Here’s what to consider when buying Holley springs:
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Carburetor Model:
Make sure the springs fit your Holley carburetor model. Check compatibility for a perfect match. -
Spring Type:
Choose the right type, like throttle return, vacuum secondary, or float springs. Each type has a specific job. -
Material:
Look for durable materials like steel or chrome. They last longer and handle tough conditions. -
Tension:
Pick the right spring tension for your setup. Light or heavy tension affects throttle feel and response. -
Ease of Installation:
Go for springs that are easy to install. Clear instructions and simple parts save time. -
Performance Needs:
Match the springs to your engine’s needs. High-performance builds may need stronger springs. -
Reliability:
Choose springs that keep your carb running smoothly and safely. Reliable parts mean fewer problems. -
Price:
Find a balance between quality and cost. Affordable, high-quality springs are a smart choice.
With these tips, you’ll find the perfect Holley springs for your engine. Enjoy a smoother, more reliable ride!