Looking for the best Holley carburetor springs? We offer a selection of 10 top-quality springs designed to enhance performance, safety, and throttle response for your Holley carburetor.
Upgrading your Holley carburetor? The right return springs boost performance, safety, and throttle response. Dual spring designs deliver unmatched strength and smoother operation for street, track, or marine engines.
Precision-built for Holley 4150, 4160, 2300, and 4500 models. High-quality steel and chrome finishes resist wear, even under heavy use. Easy installation means no special tools—just bolt-on reliability.
Kits include brackets, hardware, and color-coded springs. Adjustable tension tailors throttle feel to your driving style. Expert-tested for dragstrip rules and daily drivers alike.
List of Top 10 Holley Carburetor Springs
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YGQ 4700 Throttle Return Springs Fit for Holley 4150 4160 SBC BBC Chevy Ford 302 350 |
Car enthusiasts and mechanics upgrading high-performance engines will love these YGQ 4700 Throttle Return Springs. Designed for Holley 4150 4160 SBC BBC Chevy Ford 302 350 setups, the dual spring design ensures faster throttle return. Perfect for those needing added reliability and easy installation with compatible brackets and cables. |
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Carburetor Return Spring and Bracket Kit,Compatible with Most 5-1/8 Carburetor Necks, Includes 4708 Throttle Return Spring Bracket, 59206 Throttle Return Spring |
This carburetor return spring kit is perfect for car enthusiasts and DIY mechanics upgrading or repairing engines. It works with 5-1/8 carburetor necks, including Edelbrock and Holley models, and fits Rat Rods, Hot Rods, Muscle Cars, and marine engines. The durable metal bracket and flexible springs ensure strong tension and easy setup. |
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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 carburetor throttle kit is perfect for car enthusiasts who want a smooth and reliable throttle. It’s great for classic cars and hot rods, fitting Chevy, Ford, and more. |
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2-Pack Carburetor Throttle Return Spring & Carburetor Return Spring Bracket Kit,Universal Carburetor Return Spring Kit Compatible with Most 5-1/8 Carburetor Necks |
This 2-Pack Carburetor Throttle Return Spring & Bracket Kit is perfect for anyone who works on cars, hot rods, muscle cars, or marine engines. It fits most 5-1/8 carburetor necks and is easy to install, making it great for both beginners and pros who want a strong, reliable spring kit that lasts. |
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Carburetor Throttle Return Spring Kit,Throttle Return Spring Carburetor Throttle Return Springs Kit 2083 Fit for Holley 2300 2305 4150 4160 Throttle Return Spring Carburetor Kit |
This kit is perfect for anyone who needs a strong, easy-to-install throttle return spring for their Holley carburetor. If you want a direct fit that lasts long and works well with models 2300, 2305, 4150, and 4160, this is the right choice. |
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4150 4160 rebuild kit 20-13 Secondary Diaphragm Springs Replacement For Holley 20-13 Secondary Diaphragm Spring Kit |
This product is perfect for mechanics and car enthusiasts working on Holley 4150/4160 carburetors. The color-coded springs and clear instructions make replacing the secondary diaphragm spring kit fast and error-free. |
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Moroso 65425 Vacuum Secondary Spring Kit, Fits Holley Carburetors |
The Moroso 65425 Vacuum Secondary Spring Kit is perfect for racers and car enthusiasts who want to fine-tune their Holley carburetors. It lets you easily adjust the opening and closing speed of your vacuum secondary for the best performance. If you want to customize your ride with simple, clear parts, this kit is for you. |
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(10 Pack) Center Hung Float Bumper Springs Fits: Holley Carburetor 2300 4150 4160 4500 |
This product is perfect for mechanics and carburetor enthusiasts working on Holley 2300, 4150, 4160, or 4500 models. It provides 10 durable float bumper springs to ensure smooth fuel level adjustments and reliable performance. |
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(2 Pack) 30cc Accelerator Pump Diaphragm Return Springs Fits: Holley Carburetor 2300, 4150 & 4160 |
This product is perfect for carburetor repair specialists or DIY mechanics working on Holley 2300, 4150, or 4160 models. It provides reliable return action for accelerator pump diaphragms, ensuring smooth operation and restored performance. |
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WENJTP Throttle Cable Bracket Compatible with Holley 4500 Series Carburetor Throttle Cable Bracket Billet Aluminum Carburetor Bracket with Dual Return Springs Black |
Perfect for car enthusiasts and mechanics upgrading or installing throttle systems on Chevy, Ford, Mopar vehicles with Holley 4500 Dominator carburetors. This bracket’s premium billet aluminum build and adjustable dual return springs ensure smooth throttle response and durability in high-heat, high-stress conditions. |
Detailed Reviews
Finding the perfect Holley carburetor springs is easy with our expert-vetted picks. Each top-rated option delivers durability, precise throttle control, and hassle-free installation. From dual-spring designs to corrosion-resistant builds, these choices suit SBC, BBC, and high-performance engines. Trusted by racers and restorers alike, this guide ensures your carburetor runs smoother, safer, and stronger—explore now to upgrade with confidence.
1. YGQ 4700 Throttle Return Springs Fit for Holley 4150 4160 SBC BBC Chevy Ford 302 350

These YGQ 4700 Throttle Return Springs replace part numbers 4700 and 20-89. Their dual spring design includes inner and outer coils for stronger throttle return.
They work with Holley 4150/4160 carbs and fit SBC, BBC, Chevy, and Ford 302/350 engines. The steel wire construction ensures durability and easy installation for safer, more responsive throttle control.
The package includes 2 stainless steel springs. They boost reliability for high-performance setups. Dual spring design means extra strength and smoother operation.
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Perfect For:
Car enthusiasts and mechanics upgrading high-performance engines will love these YGQ 4700 Throttle Return Springs. Designed for Holley 4150 4160 SBC BBC Chevy Ford 302 350 setups, the dual spring design ensures faster throttle return. Perfect for those needing added reliability and easy installation with compatible brackets and cables.
Ready to Purchase?
2. Carburetor Return Spring and Bracket Kit,Compatible with Most 5-1/8 Carburetor Necks, Includes 4708 Throttle Return Spring Bracket, 59206 Throttle Return Spring

This carburetor return spring kit includes a bracket and dual springs. It fits most 5-1/8-inch carburetor necks. Perfect for cars, boats, or custom builds.
Works with Edelbrock, Holley, and similar models. The bracket has pre-drilled holes for easy mounting. Springs stay strong after repeated use.
High-quality metal ensures lasting performance. Flexible design adapts to any setup. Backed by reliable customer support.
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Perfect For:
This carburetor return spring kit is perfect for car enthusiasts and DIY mechanics upgrading or repairing engines. It works with 5-1/8 carburetor necks, including Edelbrock and Holley models, and fits Rat Rods, Hot Rods, Muscle Cars, and marine engines. The durable metal bracket and flexible springs ensure strong tension and easy setup.
Ready to Purchase?
3. 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 and hot rods.
This kit includes two sets of springs for adjustable throttle feel. It’s made of high-quality steel with a chrome finish, ensuring smooth operation and a clean look.
The bracket mounting style attaches to the carburetor base, not the intake. It meets dragstrip rules and comes with all necessary hardware for easy installation.
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Perfect For:
This carburetor throttle kit is perfect for car enthusiasts who want a smooth and reliable throttle. It’s great for classic cars and hot rods, fitting Chevy, Ford, and more.
Ready to Purchase?
4. 2-Pack Carburetor Throttle Return Spring & Carburetor Return Spring Bracket Kit,Universal Carburetor Return Spring Kit Compatible with Most 5-1/8 Carburetor Necks

Get your engine running smooth with this 2-Pack Carburetor Throttle Return Spring & Bracket Kit. It fits most 5-1/8 carburetor necks, including popular brands like Edelbrock and Holley. Each kit includes strong, flexible springs and a handy bracket that’s easy to install.
Made from high-quality stainless steel, these springs hold their tension and bounce back every time. Perfect for muscle cars, hot rods, rat rods, and even marine engines. We’re here to help if you have any questions about your purchase.
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Perfect For:
This 2-Pack Carburetor Throttle Return Spring & Bracket Kit is perfect for anyone who works on cars, hot rods, muscle cars, or marine engines. It fits most 5-1/8 carburetor necks and is easy to install, making it great for both beginners and pros who want a strong, reliable spring kit that lasts.
Ready to Purchase?
5. Carburetor Throttle Return Spring Kit,Throttle Return Spring Carburetor Throttle Return Springs Kit 2083 Fit for Holley 2300 2305 4150 4160 Throttle Return Spring Carburetor Kit

The Carburetor Throttle Return Spring Kit is built to last. It fits Holley models 2300, 2305, 4150, and 4160. This kit is a perfect direct replacement for your old spring.
Made from high-quality iron, this spring offers strong and reliable performance. Installation is quick and easy. No special tools are needed.
This kit matches OEM numbers 2083 and 6056 for easy reference. It keeps your throttle working smoothly and safely.
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Perfect For:
This kit is perfect for anyone who needs a strong, easy-to-install throttle return spring for their Holley carburetor. If you want a direct fit that lasts long and works well with models 2300, 2305, 4150, and 4160, this is the right choice.
Ready to Purchase?
6. 4150 4160 rebuild kit 20-13 Secondary Diaphragm Springs Replacement For Holley 20-13 Secondary Diaphragm Spring Kit

This is a replacement kit for Holley 20-13 secondary diaphragm springs. It includes 7 color-coded springs for easy use. The kit works with Holley 4150 and 4160 carburetors.
Each spring is marked with a unique color to avoid mix-ups. A simple guide is included for quick setup.
The kit helps tune or repair your carburetor with ease. It fits Holley 4150/4160 models perfectly.
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Perfect For:
This product is perfect for mechanics and car enthusiasts working on Holley 4150/4160 carburetors. The color-coded springs and clear instructions make replacing the secondary diaphragm spring kit fast and error-free.
Ready to Purchase?
7. Moroso 65425 Vacuum Secondary Spring Kit, Fits Holley Carburetors

The Moroso 65425 Vacuum Secondary Spring Kit helps racers adjust how fast their carburetor’s vacuum secondary opens and closes. It includes seven color-coded springs with different strengths, from light to heavy. Clear instructions make setup simple for any user.
This kit offers a universal fit for Holley carburetors. Choosing the right spring can enhance engine performance and throttle response.
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Perfect For:
The Moroso 65425 Vacuum Secondary Spring Kit is perfect for racers and car enthusiasts who want to fine-tune their Holley carburetors. It lets you easily adjust the opening and closing speed of your vacuum secondary for the best performance. If you want to customize your ride with simple, clear parts, this kit is for you.
Ready to Purchase?
8. (10 Pack) Center Hung Float Bumper Springs Fits: Holley Carburetor 2300 4150 4160 4500

These float bumper springs fit Holley carburetors. They work with 2300, 4150, 4160, and 4500 models. The 10-pack gives you extras for repairs or upgrades.
They help maintain proper float height in the carburetor. This ensures smooth fuel flow and prevents leaks. Each spring is built to last in tough engine conditions.
Installation is simple. Just replace old or worn springs. These parts are durable and affordable. Keep your carburetor running like new with this pack.
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Perfect For:
This product is perfect for mechanics and carburetor enthusiasts working on Holley 2300, 4150, 4160, or 4500 models. It provides 10 durable float bumper springs to ensure smooth fuel level adjustments and reliable performance.
Ready to Purchase?
9. (2 Pack) 30cc Accelerator Pump Diaphragm Return Springs Fits: Holley Carburetor 2300, 4150 & 4160

This 2-pack of 30cc accelerator pump diaphragm return springs works with Holley carburetors 2300, 4150, and 4160. It helps your engine respond faster when you press the gas.
Durable construction. These springs resist wear and keep your carburetor working smoothly. Simple installation. Just swap old springs with these replacements. Reliable performance. They ensure consistent fuel flow for better engine power.
Peace of mind comes with two springs in each pack. You get a perfect fit for your Holley carburetor setup.
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Perfect For:
This product is perfect for carburetor repair specialists or DIY mechanics working on Holley 2300, 4150, or 4160 models. It provides reliable return action for accelerator pump diaphragms, ensuring smooth operation and restored performance.
Ready to Purchase?
10. WENJTP Throttle Cable Bracket Compatible with Holley 4500 Series Carburetor Throttle Cable Bracket Billet Aluminum Carburetor Bracket with Dual Return Springs Black

The WENJTP Throttle Cable Bracket fixes engine throttle issues. Its adjustable dual return springs ensure smooth throttle response. Billet aluminum design offers durability and heat resistance.
Compatible with Chevy, Ford, Mopar vehicles using Holley 4500 Dominator carburetors. Easy bolt-on fitment requires no extra parts.
Mounting hardware is included for simple installation. The corrosion-resistant bracket lasts years. Dual springs enhance throttle control and reliability.
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Perfect For:
Perfect for car enthusiasts and mechanics upgrading or installing throttle systems on Chevy, Ford, Mopar vehicles with Holley 4500 Dominator carburetors. This bracket’s premium billet aluminum build and adjustable dual return springs ensure smooth throttle response and durability in high-heat, high-stress conditions.
Ready to Purchase?
Buying Guide
Upgrading your Holley carburetor? The right return springs boost performance, safety, and throttle response. Dual spring designs deliver unmatched strength and smoother operation for street, track, or marine engines.
- Compatibility with Holley Models: Check if the springs fit your carburetor. Most kits work with 4150, 4160, 2300, or 4500 models. Some fit Ford, Chevy, or marine engines too.
- Dual Spring Design: Dual springs mean extra strength and smoother throttle return. They handle heavy use better than single springs. This design boosts reliability for high-performance setups.
- Material Quality: Look for high-quality steel or stainless steel. Chrome finishes resist wear and corrosion. Durable materials ensure long-lasting performance under tough conditions.
- Adjustable Tension: Some kits offer color-coded springs for custom tension. This lets you tailor throttle feel to your driving style. Easy adjustments suit both daily drivers and race cars.
- Ease of Installation: Most kits bolt on without special tools. Brackets, hardware, and clear instructions come included. Quick swaps save time and hassle.
- Application Needs: Pick springs for your use case. Street cars, track racers, or boats each have different needs. Dragstrip-tested kits meet strict rules for competition.
- Included Components: Check what’s in the kit. Some have brackets, dual springs, and hardware. Others include extras like diaphragm springs or float bumpers for full upgrades.
- Performance Tuning: Racers need vacuum secondary kits with color-coded springs. These let fine-tune throttle response. Kits with guides make setup simple for any skill level.
- Direct Replacement Parts: Replace old springs with exact matches. Part numbers like 4700, 2083, or 20-89 ensure a perfect fit. Direct swaps avoid guesswork.
- Quantity and Value: Buy kits with multiple springs for longer use. 10-packs of float bumpers or 2-packs of accelerator pump springs offer spares. More pieces per pack save money over time.