Looking for the best LS engine bolt kits to keep your engine running smoothly? We’ve gathered the top 10 options to help you find the perfect fit for your LS build, offering easy-to-install, durable, and high-performance bolt kits for main, head, and transmission applications.
LS engines are known for their power and reliability, but even the best engines need strong, durable bolts to keep everything in place. Whether you’re building a high-performance machine or just replacing worn parts, the right bolt kit makes all the difference. We’ve gathered the best LS engine bolt kits to help you find the perfect fit for your project.
These kits are easy to install, built to last, and designed for performance. They work with a wide range of LS engines, ensuring a tight and secure fit every time.
With options for main bolts, head bolts, and transmission bolts, you’ll find everything you need to keep your engine running smoothly. Let’s dive in and discover the top choices for your LS build!
List of Top 10 LS Engine Bolt Kits
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Michigan Motorsports LS Main Bolt & Stud Kit – Fits 1997-2013 LS Engines – 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LQ4 LM7 LC9 LR4 L96 L76 – Durable Factory Replacement |
This kit is perfect for LS engine builders who want strong, simple, and safe bottom‑end support. It’s great for anyone who needs steady crank control in a stock or high‑power setup. |
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GSTP 12pc Engine Stand Bolt Kit Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG |
This kit is perfect for engine builders and garage pros who want strong, easy bolts that fit right every time. It’s great for anyone who needs safe, simple, and reliable hardware for LS engines. |
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PTNHZ LS LS1 LS6 Stainless Steel Engine Bolt Kit Bolts Gaskets Fasteners Kit Relacement For 98-02 Camaro Firebird 04 GTO |
This kit is perfect for LS1 and LS6 owners who want strong, clean, long‑lasting engine bolts. It’s great for anyone who wants an easy upgrade that makes their engine look sharp and stay solid. |
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Michigan Motorsports LS Head Bolt Kit | Fits 2004-2013 GM LS Engines | 4.8L 5.3L 6.0L 6.2L 7.0L LS2 LS3 LS7 LQ4 LQ9 LC9 LY6 LM7 | Stock Replacement Cylinder Head Bolt Set |
This head bolt kit is perfect for anyone rebuilding or upgrading a GM LS engine. It’s ideal for stock or performance builds, fitting 2004–2013 LS engines like 4.8L, 5.3L, 6.0L, 6.2L, and 7.0L models. |
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ARP 534-9705 12-Point Complete Engine Fastener Kit for GM LS |
The ARP 534-9705 12-Point Complete Engine Fastener Kit is perfect for GM LS engine owners who want reliable, high-quality fasteners. It’s made in the USA and easy to install, ensuring your engine stays secure and strong. |
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PQY 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit Compatible with 97-03 Chevy LS1 LQ9 LS6 4.8L 5.3L 5.7L 6.0L Engines |
This PQY 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit is perfect for car enthusiasts and DIY mechanics who want to upgrade their Chevy LS engines. It’s ideal for improving performance and replacing old, rusted bolts on compatible models like the Camaro, Corvette, and Silverado. |
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LS Water Pump Bolt Kit Thermostat Bolt Kit Fits for All GM Chevrolet 1997-2014 LS Series Engines LSX LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9, 5.3L 6.0L 6.2L Thermostat Shell Bolts |
This LS Water Pump Bolt Kit is perfect for anyone with a Chevrolet LS series engine from 1997 to 2014. It’s ideal for DIYers and mechanics who need reliable, rust-resistant bolts for their water pump and thermostat. |
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Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam |
This product is perfect for car enthusiasts and mechanics working on GM LS engines. It’s ideal for upgrades or repairs, offering reliable performance and great value. |
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LS Engine Transmission 4L60e Bell Housing Bolts Set Kit Also fits 4L80e T56 LS1 LS2 LS3 LS6 LQ4 LQ9 L33 L82 L83 L84 L86 L87 L92 L99 LT1 LR4 L8B 551652 |
This LS Engine Transmission Bell Housing Bolts Set Kit is perfect for car enthusiasts and mechanics who need a reliable, high-quality solution for their GM Chevrolet engines. It’s ideal for anyone working on LS or LT transmissions, offering durable, corrosion-resistant bolts that fit multiple models seamlessly. |
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ARP Head Bolt Kit – 12pt GM LS 04 & Later |
This ARP Head Bolt Kit is perfect for car enthusiasts and mechanics working on GM LS engines from 2004 and later. It’s easy to use and fits perfectly for reliable engine performance. |
Detailed Reviews
Discover the top 10 LS Engine Bolt Kits handpicked for performance and durability. Each kit is expert-reviewed and customer-approved, ensuring you get the best value for your engine needs. Whether you’re upgrading or replacing, this guide makes your choice simple and confident.
1. Michigan Motorsports LS Main Bolt & Stud Kit – Fits 1997-2013 LS Engines – 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LQ4 LM7 LC9 LR4 L96 L76 – Durable Factory Replacement

The Michigan Motorsports LS Main Bolt & Stud Kit is a complete solution for securing your LS engine’s bottom end. It fits 1997-2013 LS engines, including 4.8L to 6.2L models, and offers maximum durability for high-performance builds.
This kit includes main bolts and studs for superior clamping force and precise load distribution. It’s perfect for stock replacements or performance upgrades, ensuring long-term reliability in any LS application.
| Pros | Cons |
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Perfect For:
This kit is perfect for LS engine builders who want strong, simple, and safe bottom‑end support. It’s great for anyone who needs steady crank control in a stock or high‑power setup.
Ready to Purchase?
2. GSTP 12pc Engine Stand Bolt Kit Stand Bolt Flange Compatible with LSX LS LS1 4.8L 5.3L 6.0L 6.2L LR4 LQ4 LS6 LQ9 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG

This GSTP 12pc Engine Stand Bolt Kit gives your work strong hold. Each bolt has high strength for steady use. Your engine stays safe and firm.
The zinc coat stops rust. The flange head means no washer is needed.
Threads stay clean. Use it with many LS engines. Get fast help any time.
| Pros | Cons |
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Perfect For:
This kit is perfect for engine builders and garage pros who want strong, easy bolts that fit right every time. It’s great for anyone who needs safe, simple, and reliable hardware for LS engines.
Ready to Purchase?
3. PTNHZ LS LS1 LS6 Stainless Steel Engine Bolt Kit Bolts Gaskets Fasteners Kit Relacement For 98-02 Camaro Firebird 04 GTO

This bolt kit is built for LS1 and LS6 engines. It fits the Camaro, Firebird, Trans Am, and GTO. It gives your engine strong, clean hardware.
It covers the main external fasteners you need. It leaves out only the accessory bolts.
The stainless steel design is tough and easy to install. The parts resist wear and stay sharp for a long time.
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Perfect For:
This kit is perfect for LS1 and LS6 owners who want strong, clean, long‑lasting engine bolts. It’s great for anyone who wants an easy upgrade that makes their engine look sharp and stay solid.
Ready to Purchase?
4. Michigan Motorsports LS Head Bolt Kit | Fits 2004-2013 GM LS Engines | 4.8L 5.3L 6.0L 6.2L 7.0L LS2 LS3 LS7 LQ4 LQ9 LC9 LY6 LM7 | Stock Replacement Cylinder Head Bolt Set

The Michigan Motorsports LS Head Bolt Kit gives you strong, simple, and reliable hold. It fits many LS engines with ease. It keeps your build tight and secure.
Each bolt meets OEM strength for steady grip. The kit works for stock or boosted setups. It handles heat and pressure without trouble.
This kit fits many 2004–2013 LS engines. It makes your rebuild smooth.
| Pros | Cons |
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Perfect For:
This head bolt kit is perfect for anyone rebuilding or upgrading a GM LS engine. It’s ideal for stock or performance builds, fitting 2004–2013 LS engines like 4.8L, 5.3L, 6.0L, 6.2L, and 7.0L models.
Ready to Purchase?
5. ARP 534-9705 12-Point Complete Engine Fastener Kit for GM LS

The ARP 534-9705 is a complete engine fastener kit. It is designed for GM LS engines. This kit ensures reliable performance.
It comes with 12-point fasteners. The package dimensions are 9.0″ L x 8.5″ W x 2.5″ H. The weight is 5.21 lb.
This kit is made in the United States. It has the model number 534-9705. It is a trusted choice for engine builds.
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Perfect For:
The ARP 534-9705 12-Point Complete Engine Fastener Kit is perfect for GM LS engine owners who want reliable, high-quality fasteners. It’s made in the USA and easy to install, ensuring your engine stays secure and strong.
Ready to Purchase?
6. PQY 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit Compatible with 97-03 Chevy LS1 LQ9 LS6 4.8L 5.3L 5.7L 6.0L Engines

The PQY 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit is perfect for Chevy LS engines. It fits 97-03 models like the LS1, LQ9, LS6, 4.8L, 5.3L, 5.7L, and 6.0L.
These head studs are strong and reliable, made with heat-treated iron. They handle high temperatures and improve engine performance.
Easy to install, direct replacement, and great for upgrades. Package includes all needed parts.
| Pros | Cons |
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Perfect For:
This PQY 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit is perfect for car enthusiasts and DIY mechanics who want to upgrade their Chevy LS engines. It’s ideal for improving performance and replacing old, rusted bolts on compatible models like the Camaro, Corvette, and Silverado.
Ready to Purchase?
7. LS Water Pump Bolt Kit Thermostat Bolt Kit Fits for All GM Chevrolet 1997-2014 LS Series Engines LSX LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9, 5.3L 6.0L 6.2L Thermostat Shell Bolts

This LS Water Pump Bolt Kit is perfect for Chevrolet LS engines from 1997 to 2014. It fits all LS series models, including LS1, LS2, LS3, and more. The kit also works with GM Vortec engines like 5.3L and 6.0L.
Made of galvanized steel, these bolts are strong and rust-resistant. They protect your engine parts from damage and sticking. The high-quality material ensures long-lasting performance.
The bolts meet JIS specifications and are rated class 10.9. Torque specs are 22 ft-lb for water pump bolts and 11 ft-lb for thermostat bolts. If you have questions, our team replies within 24 hours.
| Pros | Cons |
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Perfect For:
This LS Water Pump Bolt Kit is perfect for anyone with a Chevrolet LS series engine from 1997 to 2014. It’s ideal for DIYers and mechanics who need reliable, rust-resistant bolts for their water pump and thermostat.
Ready to Purchase?
8. Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam

This plate gasket gives your LS engine a tight, clean seal. It fits Gen 3, Gen 4, and Gen 5 LS and LT engines with ease.
The fit is exact. The seal is strong. The build is solid.
You also get the ARP 134-1003 bolt kit for high strength and long life. This combo keeps out dirt and wear. It offers great value and gives your engine the quality it deserves.
| Pros | Cons |
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Perfect For:
This product is perfect for car enthusiasts and mechanics working on GM LS engines. It’s ideal for upgrades or repairs, offering reliable performance and great value.
Ready to Purchase?
9. LS Engine Transmission 4L60e Bell Housing Bolts Set Kit Also fits 4L80e T56 LS1 LS2 LS3 LS6 LQ4 LQ9 L33 L82 L83 L84 L86 L87 L92 L99 LT1 LR4 L8B 551652

This LS Bell Housing Bolts Kit is a must-have for GM Chevrolet engines. It fits all LS/LT transmissions, both automatic and manual. The kit works with 4L60e, 4L80e, T56, and more.
These heavy-duty bolts are galvanized and coated black for long-lasting protection. They meet Class 10.9 standards and have a torque spec of 37 ft-lb. No washers needed—just easy installation.
| Pros | Cons |
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Perfect For:
This LS Engine Transmission Bell Housing Bolts Set Kit is perfect for car enthusiasts and mechanics who need a reliable, high-quality solution for their GM Chevrolet engines. It’s ideal for anyone working on LS or LT transmissions, offering durable, corrosion-resistant bolts that fit multiple models seamlessly.
Ready to Purchase?
10. ARP Head Bolt Kit – 12pt GM LS 04 & Later

The ARP Head Bolt Kit is a must-have for GM LS 04 & Later engines. It’s strong, reliable, and built to last.
This kit comes in a compact package, measuring 8.62L x 4.21W x 2.24H inches. It weighs 4.73 pounds and includes one set of bolts. Perfect for your engine needs.
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Perfect For:
This ARP Head Bolt Kit is perfect for car enthusiasts and mechanics working on GM LS engines from 2004 and later. It’s easy to use and fits perfectly for reliable engine performance.
Ready to Purchase?
Buying Guide
LS engine bolt kits keep your engine strong and reliable. They are easy to install and built to last. Choose the right kit for your project.
Engaging Experience:
Picking the perfect bolt kit feels like finding the last piece of a puzzle. Your engine runs smoother, and you feel confident knowing everything is secure. Let’s make your build a success!
Factors to Consider When Buying:
– Compatibility: Check if the kit fits your LS engine model and year.
– Material: Look for stainless steel or galvanized bolts for rust resistance and durability.
– Strength: Choose bolts rated for high torque and performance needs.
– Kit Contents: Ensure it includes all bolts, studs, and gaskets you need.
– Ease of Installation: Opt for kits with clear instructions and direct replacements.
– Brand Reputation: Trust well-known brands for quality and reliability.
– Price: Balance cost with long-term value for your build.