Looking for the best dual spring kits to upgrade your engine’s performance? We’ve tested and reviewed the top 10 dual spring kits from leading brands like Brian Tooley Racing and Texas Speed to help you find the perfect match for your high-performance engine build.
Dual spring kits are essential upgrades for high-performance engines. They boost power and reliability, making them perfect for upgrades. Whether you’re tuning a street car or building a race engine, the right kit can transform your ride.
We’ve tested and reviewed the best dual spring kits to help you choose wisely. From Brian Tooley Racing to Texas Speed, these kits deliver top performance. Discover the perfect match for your engine and take your build to the next level.
List of Top 10 Dual Spring Kits
| Image | Title | Best For | Price |
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Brian Tooley Racing BTR LS .660″ Dual Valve Springs Platinum Kit with Retainers SK001 (Steel) |
This BTR LS .660″ Dual Valve Springs Platinum Kit is perfect for anyone upgrading their LS engine’s camshaft. It’s a drop-in solution for 15-degree LS heads, making it ideal for LS1, LS2, LS3, and more. |
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Brian Tooley Racing BTR LS .660″ Dual Valve Springs Platinum Kit with Retainers SK001 (Titanium) |
This BTR LS .660″ Dual Valve Springs Platinum Kit is perfect for car enthusiasts upgrading their LS engine’s camshaft. It’s a must-have for stock rocker arms and fits all 15-degree LS heads. |
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99PCS Extension Spring Assortment Kit, 12 Sizes Small Tension Springs with Dual Hook Ends, Galvanized Spring Steel Construction, Tiny Springs Set for Hobby Crafting and DIY Repair Project |
This 99PCS Extension Spring Assortment Kit is perfect for DIY enthusiasts and hobby crafters who need reliable, versatile springs for their projects. Whether you’re fixing a gate latch, building a pinball machine, or working on a 3D printing project, this kit has you covered with its wide range of sizes and easy storage. |
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Swpeet 150Pcs 15 Different Sizes Stainless Steel Extension Spring with a Dual Hook Assortment Kit, Mechanical Extension Springs Small Spring for Home Repairs |
This Swpeet 150Pcs Stainless Steel Extension Spring Kit is perfect for anyone who needs a reliable and versatile spring assortment. Whether you’re fixing home items, car parts, or tools, these springs are easy to use and store, making repairs quick and efficient. |
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BTR Brian Tooley Racing Platinum .660″ LS Dual Valve Spring Kit with Steel Retainers | Fits Gen 3 Gen 4 LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade |
This BTR Platinum Valve Spring Kit is perfect for LS engine owners who want a reliable high-lift upgrade. It’s ideal for performance builds, whether you’re on the street or strip. |
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Texas Speed TSP .660 Dual Valve Spring Kit Titanium -Fits 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 |
This Texas Speed TSP .660 Dual Valve Spring Kit is perfect for car enthusiasts who want better engine performance. It’s ideal for those using aftermarket cams with less than .660 lift. |
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ISINFLASH LS .660″ Dual Valve Spring Platinum Kit with Retainers Fit for 15 Degree LS Heads LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA 4.8L 5.3L 6.0L 6.2L SK001 (Steel) |
This ISINFLASH LS Dual Valve Spring Platinum Kit is perfect for car enthusiasts who want to boost their LS engine’s performance. It’s ideal for high-RPM upgrades and works with many GM LS engines. |
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BTR Brian Tooley Racing LS Dual Valve Spring Kit .685″ Lift with Titanium Retainers -Fits LS1 LS6 LSX LS3 L99 L92 LS2 LQ4 LQ9 L33 4.8 5.3 5.7 6.0 6.2 |
This BTR Dual Valve Spring Kit is perfect for car enthusiasts who want to upgrade their LS engine with a radical camshaft. It’s ideal for high-performance builds needing valvetrain stability and reliable parts. |
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Swpeet 100Pcs 25 Different Sizes Stainless Steel Extension Spring with a Dual Hook Assortment Kit, Mechanical Extension Springs Small Spring for Home Repairs |
This Swpeet 100Pcs Stainless Steel Extension Spring Kit is perfect for anyone who needs a reliable and versatile set of springs for repairs. Whether you’re fixing home items, cars, or tools, these springs are easy to use and store, making them a great choice for all your projects. |
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Mcredy 2 Pcs Extension Springs 2 Inch Small Compression Stainless Steel Spring Assortment Kit with Dual Hook Ends for Hobby Crafting DIY Home Repair |
This spring kit is perfect for DIY lovers, hobbyists, and home repair enthusiasts. It’s also great for professionals in automotive, marine, or mechanical fields. |
Detailed Reviews
Discover the top 10 Dual Spring Kits handpicked for performance and value. Each kit is expert-reviewed and customer-approved, ensuring you find the perfect match for your needs. Whether you’re upgrading your engine or tackling DIY projects, this guide has you covered with easy-to-read insights.
1. Brian Tooley Racing BTR LS .660″ Dual Valve Springs Platinum Kit with Retainers SK001 (Steel)

Upgrade your LS engine with the Brian Tooley Racing BTR LS .660″ Dual Valve Springs Platinum Kit. This drop-in spring kit works with stock rocker arms and 15-degree LS heads. It’s perfect for camshaft upgrades.
The kit includes dual polished springs, retainers, locators, locks, and seals. It’s designed for LS1, LS2, LS3, and more. Easy to install and ready to perform.
| Pros | Cons |
|---|---|
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Perfect For:
This BTR LS .660″ Dual Valve Springs Platinum Kit is perfect for anyone upgrading their LS engine’s camshaft. It’s a drop-in solution for 15-degree LS heads, making it ideal for LS1, LS2, LS3, and more.
Ready to Purchase?
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2. Brian Tooley Racing BTR LS .660″ Dual Valve Springs Platinum Kit with Retainers SK001 (Titanium)

The Brian Tooley Racing BTR LS .660″ Dual Valve Springs Platinum Kit is a must-have upgrade for your LS engine. It’s designed to work with stock rocker arms and 15-degree LS heads.
This drop-in spring kit fits LS1, LS2, LS3, and more. It includes dual polished springs, retainers, and locators. Everything you need for a smooth install.
The spring specs are 155 lbs @ 1.780″ and coil bind @ 1.070″. This kit ensures reliable performance for your upgraded camshaft. Perfect for high-lift applications.
| Pros | Cons |
|---|---|
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Perfect For:
This BTR LS .660″ Dual Valve Springs Platinum Kit is perfect for car enthusiasts upgrading their LS engine’s camshaft. It’s a must-have for stock rocker arms and fits all 15-degree LS heads.
Ready to Purchase?
3. 99PCS Extension Spring Assortment Kit, 12 Sizes Small Tension Springs with Dual Hook Ends, Galvanized Spring Steel Construction, Tiny Springs Set for Hobby Crafting and DIY Repair Project

This 99-piece extension spring kit is a must-have for any DIY enthusiast or hobbyist. With 12 different sizes, you’ll have the perfect spring for any project, big or small.
The galvanized spring steel construction ensures durability and reliability, while the dual hook ends allow for easy connections. Keep your workspace organized with the reusable case, and tackle any task with confidence.
| Pros | Cons |
|---|---|
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Perfect For:
This 99PCS Extension Spring Assortment Kit is perfect for DIY enthusiasts and hobby crafters who need reliable, versatile springs for their projects. Whether you’re fixing a gate latch, building a pinball machine, or working on a 3D printing project, this kit has you covered with its wide range of sizes and easy storage.
Ready to Purchase?
4. Swpeet 150Pcs 15 Different Sizes Stainless Steel Extension Spring with a Dual Hook Assortment Kit, Mechanical Extension Springs Small Spring for Home Repairs

This 150-piece kit includes 15 different sizes of stainless steel extension springs. Each spring has a dual hook for easy use. The set covers popular sizes for daily repairs.
The springs are made of high-quality stainless steel. They resist wear and corrosion for long-lasting use. Smooth edges ensure safe handling and reliable performance.
Springs come in a storage box with size labels. This makes finding and storing them quick and easy. Perfect for home, auto, and industrial repairs.
| Pros | Cons |
|---|---|
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Perfect For:
This Swpeet 150Pcs Stainless Steel Extension Spring Kit is perfect for anyone who needs a reliable and versatile spring assortment. Whether you’re fixing home items, car parts, or tools, these springs are easy to use and store, making repairs quick and efficient.
Ready to Purchase?
5. BTR Brian Tooley Racing Platinum .660″ LS Dual Valve Spring Kit with Steel Retainers | Fits Gen 3 Gen 4 LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade

The BTR Platinum .660″ LS Dual Valve Spring Kit is a high-lift upgrade for Gen 3 and Gen 4 LS engines. It fits 4.8L to 6.2L models, including LS1, LS2, LS3, and more.
Dual springs ensure valve stability at high RPMs. Steel retainers add strength and durability. Perfect for performance camshafts and aggressive builds.
Works with naturally aspirated and forced induction setups. BTR’s Platinum Series guarantees reliable performance. Ideal for street and strip engines.
| Pros | Cons |
|---|---|
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Perfect For:
This BTR Platinum Valve Spring Kit is perfect for LS engine owners who want a reliable high-lift upgrade. It’s ideal for performance builds, whether you’re on the street or strip.
Ready to Purchase?
6. Texas Speed TSP .660 Dual Valve Spring Kit Titanium -Fits 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3

Upgrade your engine with the Texas Speed TSP .660 Dual Valve Spring Kit. This kit is designed for LS engines, offering better control and durability.
The valve springs are polished by PAC Racing, which increases their life and reduces fatigue. They work well with factory-style lifters and aftermarket cams with less than .660 lift.
Easy to install, reliable, and high-performance. This kit is perfect for your engine.
| Pros | Cons |
|---|---|
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Perfect For:
This Texas Speed TSP .660 Dual Valve Spring Kit is perfect for car enthusiasts who want better engine performance. It’s ideal for those using aftermarket cams with less than .660 lift.
Ready to Purchase?
7. ISINFLASH LS .660″ Dual Valve Spring Platinum Kit with Retainers Fit for 15 Degree LS Heads LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA 4.8L 5.3L 6.0L 6.2L SK001 (Steel)

The ISINFLASH LS .660″ Dual Valve Spring Platinum Kit is perfect for 15° LS heads. It fits many GM LS engines, from LS1 to LSA. This kit is built for high-RPM power.
It includes dual valve springs, titanium retainers, and valve locks. The platinum coating fights rust and cuts friction. Everything you need is in one box.
This steel kit is strong and durable. It’s a direct upgrade for stock parts. Perfect for boosting engine performance.
| Pros | Cons |
|---|---|
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Perfect For:
This ISINFLASH LS Dual Valve Spring Platinum Kit is perfect for car enthusiasts who want to boost their LS engine’s performance. It’s ideal for high-RPM upgrades and works with many GM LS engines.
Ready to Purchase?
8. BTR Brian Tooley Racing LS Dual Valve Spring Kit .685″ Lift with Titanium Retainers -Fits LS1 LS6 LSX LS3 L99 L92 LS2 LQ4 LQ9 L33 4.8 5.3 5.7 6.0 6.2

BTR’s Dual Valve Spring Kit is a high-performance upgrade for your LS engine. It’s designed to handle radical camshafts and high lifts.
This kit fits many LS engines, from 1997 to 2013. It includes titanium retainers for added stability. The springs have a higher rate, ensuring reliable performance.
With this kit, you can push your engine harder. It’s not for LS9 engines, but works with others. Shims are needed for LS7 engines.
| Pros | Cons |
|---|---|
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Perfect For:
This BTR Dual Valve Spring Kit is perfect for car enthusiasts who want to upgrade their LS engine with a radical camshaft. It’s ideal for high-performance builds needing valvetrain stability and reliable parts.
Ready to Purchase?
9. Swpeet 100Pcs 25 Different Sizes Stainless Steel Extension Spring with a Dual Hook Assortment Kit, Mechanical Extension Springs Small Spring for Home Repairs

The Swpeet 100Pcs Stainless Steel Extension Spring Kit includes 25 different sizes of springs. Each spring has a dual hook for easy use. This kit is perfect for home repairs and more.
The springs are made of high-quality stainless steel. They are strong, smooth, and rust-resistant. These springs can handle heavy use without losing shape.
The kit comes in a storage box with size labels. This makes it easy to find and store the right spring. Use them for doors, bikes, tools, and more.
| Pros | Cons |
|---|---|
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Perfect For:
This Swpeet 100Pcs Stainless Steel Extension Spring Kit is perfect for anyone who needs a reliable and versatile set of springs for repairs. Whether you’re fixing home items, cars, or tools, these springs are easy to use and store, making them a great choice for all your projects.
Ready to Purchase?
10. Mcredy 2 Pcs Extension Springs 2 Inch Small Compression Stainless Steel Spring Assortment Kit with Dual Hook Ends for Hobby Crafting DIY Home Repair

Mcredy Extension Springs are 2 inches long and 0.4 inches wide, perfect for small projects. Each pack includes 2 pieces with dual hook ends for easy use. These springs are made of premium stainless steel, ensuring long-lasting durability.
The double-hook design makes installation quick and simple. These springs are highly flexible and can handle heavy pulling forces. They are rust-resistant, making them ideal for indoor and outdoor use.
These springs are versatile and work well in DIY projects, home repairs, and hobbies. They are reliable for both small tasks and industrial applications.
| Pros | Cons |
|---|---|
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Perfect For:
This spring kit is perfect for DIY lovers, hobbyists, and home repair enthusiasts. It’s also great for professionals in automotive, marine, or mechanical fields.
Ready to Purchase?
Buying Guide
Dual spring kits are essential upgrades for high-performance engines. They boost power and reliability, making them perfect for upgrades.
Choosing the right dual spring kit can transform your ride. Whether you’re tuning a street car or building a race engine, this guide will help you make the best choice.
Here’s what to consider when buying:
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Engine Compatibility:
Make sure the kit fits your engine type. Check if it’s compatible with your LS, Gen 3, or Gen 4 engine. -
Spring Material:
Choose between steel for strength or titanium for lightweight durability. Both offer reliable performance. -
Spring Rate:
Look for a spring rate that matches your camshaft upgrade. Higher rates handle high RPMs better. -
Retainers and Accessories:
Ensure the kit includes retainers, locators, and locks. These parts are essential for a smooth install. -
Ease of Installation:
Pick a drop-in kit for easy upgrades. Avoid kits that require complex modifications. -
Performance Needs:
Decide if you need a kit for street use, racing, or high-lift applications. Match the kit to your engine’s demands. -
Brand Reputation:
Stick with trusted brands like Brian Tooley Racing or Texas Speed. They deliver top performance and reliability. -
Budget:
Balance cost with quality. High-end kits offer better durability but come at a higher price.
With these factors in mind, you’ll find the perfect dual spring kit to take your engine to the next level.