Best LS Engine Manifold Bolts

Looking for the best LS engine manifold bolts? We’ve tested and reviewed the top 10 options to help you find the perfect match for durability, fit, and value.

LS engine manifold bolts are crucial for keeping your engine running smoothly. They hold the exhaust and intake manifolds tight, ensuring peak performance.

We’ve tested and reviewed the best LS manifold bolts for durability, fit, and value. Whether you’re upgrading or repairing, our guide helps you find the perfect match for your engine.

List of Top 10 LS Engine Manifold Bolts

Image Title Best For Price
(12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT – Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated) (12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT – Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated)

This bolt kit is perfect for anyone working on LS engines. Whether you’re doing an engine swap, upgrading performance, or replacing old parts, these high-strength bolts are reliable and built to last.

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LS HEADER STUD KIT BOLTS STAINLESS STEEL LSX LS2 LS3 LS6 LS7 4.8 5.3 6.0 6.2L LS HEADER STUD KIT BOLTS STAINLESS STEEL LSX LS2 LS3 LS6 LS7 4.8 5.3 6.0 6.2L

This LS Header Stud Kit is perfect for anyone with a Chevy V8 engine or a Vortec truck engine. It’s easy to use and built to last with stainless steel parts.

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CHENACC 12PCS 5.3/6.0 Ls Header Bolt, Ls Exhaust Manifold Bolts Manifold Header Bolts 551696 for GM LS1 LS3 LS2 LSX LT Series Engine, Grade 10.9 LS Head Bolts Replaces ICT Billet CHENACC 12PCS 5.3/6.0 Ls Header Bolt, Ls Exhaust Manifold Bolts Manifold Header Bolts 551696 for GM LS1 LS3 LS2 LSX LT Series Engine, Grade 10.9 LS Head Bolts Replaces ICT Billet

This product is perfect for car enthusiasts and DIY mechanics who need reliable, high-strength bolts for their GM LS or LT engines. It’s easy to install and built to last, making it ideal for anyone upgrading or replacing exhaust manifold bolts.

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12PCS 551696 Exhaust Manifold Bolts Kit,Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines,Black Coated High Strength,Replacement Bolt Set for LS Swaps and Rebuilds 12PCS 551696 Exhaust Manifold Bolts Kit,Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines,Black Coated High Strength,Replacement Bolt Set for LS Swaps and Rebuilds

This 12PCS 551696 Exhaust Manifold Bolts Kit is perfect for car enthusiasts and mechanics working on GM LS and LT engines. It’s ideal for LS swaps, rebuilds, or replacements, offering durable, high-strength bolts that fit perfectly and last longer.

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ARP 134-1202 Chromoly Header Bolt Kits, Chevrolet Gen III/LS Series, 3/8˝ wide ARP 134-1202 Chromoly Header Bolt Kits, Chevrolet Gen III/LS Series, 3/8˝ wide

The ARP 134-1202 Chromoly Header Bolt Kit is perfect for Chevrolet Gen III/LS Series owners who want reliable, high-strength fasteners. Its black oxide finish ensures durability and a sleek look for your engine.

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551429 M6*110mm LS Engine Car Intake Manifold Bolts Kit Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Compatible with Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket 551429 M6*110mm LS Engine Car Intake Manifold Bolts Kit Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Compatible with Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket

This bolt kit is perfect for car owners who need a reliable and durable solution for their LS engine intake manifold. It’s ideal for DIY enthusiasts and professional mechanics working on Chevrolet, Cadillac, or GMC vehicles.

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Z Whip Stainless Steel LS Header Exhaust Manifold Bolt Kit. Compatible with All GM Chevy LS Series Engines LSX LS1 LS3 LS2 LQ4 LS6 LQ9 5.3L 6.0L 6.2L Hardened SS 304 (18-8) Bolts Z Whip Stainless Steel LS Header Exhaust Manifold Bolt Kit. Compatible with All GM Chevy LS Series Engines LSX LS1 LS3 LS2 LQ4 LS6 LQ9 5.3L 6.0L 6.2L Hardened SS 304 (18-8) Bolts

This bolt kit is perfect for anyone with a GM Chevy LS engine who wants reliable, rust-free parts. It’s ideal for upgrades or repairs, ensuring long-lasting performance.

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12PCS M8x1.25 Exhaust Manifold Bolts OEM#551696,Grade 10.9 LS Header Bolts Compatible with GM LS LT Series Pontiac Chevrolet,LS Exhaust Manifold Bolts Replacement Car Accessories 12PCS M8x1.25 Exhaust Manifold Bolts OEM#551696,Grade 10.9 LS Header Bolts Compatible with GM LS LT Series Pontiac Chevrolet,LS Exhaust Manifold Bolts Replacement Car Accessories

These 12PCS M8x1.25 Exhaust Manifold Bolts are perfect for car owners who need a reliable replacement for their GM LS LT Series or Chevrolet vehicles. They’re ideal for anyone looking to fix worn-out bolts and keep their exhaust system secure.

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SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts, 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7 SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts, 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7

This exhaust manifold bolt kit is perfect for car owners who need a reliable replacement for their Chevrolet, GMC, Buick, or other compatible vehicles. It’s ideal for those seeking durability and long-term use.

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BEONEO 551429 M6*1.0*110mm Bolts for Chevy LS Engine Car Intake Manifold Bolt Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket BEONEO 551429 M6*1.0*110mm Bolts for Chevy LS Engine Car Intake Manifold Bolt Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket

This product is perfect for car enthusiasts and mechanics who need reliable bolts for their Chevy LS engines. It’s ideal for intake manifold repairs or upgrades.

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Detailed Reviews

Discover the top 10 LS Engine Manifold Bolts in this expert-curated guide. Each product is handpicked for quality, durability, and performance, ensuring you find the perfect fit for your engine needs. Whether upgrading or repairing, this guide makes your choice simple and confident.

1. (12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT – Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated)

(12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT – Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated)

12 PCS header bolt kit for LS series engines. It fits many LS and LT models. It is made for a secure fit.

Each bolt is Grade 10.9 steel. The Dacromet coating helps fight rust and heat. It is built for strong, long use.

This kit is great for swaps and rebuilds. It helps hold the exhaust manifold tight and steady. It is a smart replacement set for many engine jobs.

Pros Cons
  • Complete set with 12 bolts; no washers needed.
  • Fits LS engines perfectly; direct OEM replacement.
  • Made from strong Grade 10.9 steel for lasting hold.
  • Dacromet coating prevents rust and resists heat.
  • Trusted by pros and DIYers for swaps and upgrades.
  • No lock washers included for extra grip.
  • Basic steel may rust over time.
  • Fits only specific LS engine models.

Perfect For:

This bolt kit is perfect for anyone working on LS engines. Whether you’re doing an engine swap, upgrading performance, or replacing old parts, these high-strength bolts are reliable and built to last.

Ready to Purchase?

2. LS HEADER STUD KIT BOLTS STAINLESS STEEL LSX LS2 LS3 LS6 LS7 4.8 5.3 6.0 6.2L

LS HEADER STUD KIT BOLTS STAINLESS STEEL LSX LS2 LS3 LS6 LS7 4.8 5.3 6.0 6.2L

The LS Header Stud Kit is a must-have for Chevy V8 engines. It’s made of hardened 304 stainless steel, ensuring durability and strength. Perfect for GEN III and IV LSX engines, it fits models like LS2, LS3, LS6, LS7, and more.

This kit includes 12 polished M8 studs and 12 locking flange nuts. The parts are easy to install and built to last. They work with both car and truck engines.

Whether you’re upgrading or repairing, this kit gets the job done. It’s reliable, strong, and fits many LS engines. A smart choice for any Chevy V8 owner.

Pros Cons
  • Corrosion-resistant stainless steel ensures long-lasting durability and shine.
  • Precision fit for all LS series engine blocks.
  • Easy installation saves time during your engine build.
  • High-strength studs provide a secure, leak-free exhaust seal.
  • Professional finish upgrades your engine bay’s appearance instantly.
  • No instructions for installation included.
  • Limited compatibility with non-LS engines.
  • Polished studs may show fingerprints easily.

Perfect For:

This LS Header Stud Kit is perfect for anyone with a Chevy V8 engine or a Vortec truck engine. It’s easy to use and built to last with stainless steel parts.

Ready to Purchase?

3. CHENACC 12PCS 5.3/6.0 Ls Header Bolt, Ls Exhaust Manifold Bolts Manifold Header Bolts 551696 for GM LS1 LS3 LS2 LSX LT Series Engine, Grade 10.9 LS Head Bolts Replaces ICT Billet

CHENACC 12PCS 5.3/6.0 Ls Header Bolt, Ls Exhaust Manifold Bolts Manifold Header Bolts 551696 for GM LS1 LS3 LS2 LSX LT Series Engine, Grade 10.9 LS Head Bolts Replaces ICT Billet

Upgrade your engine today. These strong bolts fit LS engines. They keep the manifold tight.

These steel bolts last long. They fit your car perfectly.

Pros Cons
  • Perfectly fits all GM LS and LT engines.
  • Grade 10.9 steel for maximum strength and durability.
  • Corrosion-resistant zinc plating prevents rust and wear.
  • Quick, hassle-free installation for easy replacement.
  • Reliable OEM alternative for a guaranteed perfect fit.
  • No tools included, so you’ll need your own for installation.
  • Not suitable for non-GM engines, limiting compatibility.
  • Zinc plating may wear off over time with heavy use.

Perfect For:

This product is perfect for car enthusiasts and DIY mechanics who need reliable, high-strength bolts for their GM LS or LT engines. It’s easy to install and built to last, making it ideal for anyone upgrading or replacing exhaust manifold bolts.

Ready to Purchase?

4. 12PCS 551696 Exhaust Manifold Bolts Kit,Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines,Black Coated High Strength,Replacement Bolt Set for LS Swaps and Rebuilds

12PCS 551696 Exhaust Manifold Bolts Kit,Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines,Black Coated High Strength,Replacement Bolt Set for LS Swaps and Rebuilds

This 12PCS Exhaust Manifold Bolts Kit includes 12 high-strength bolts. They are made to handle heat and vibration well.

Each bolt fits perfectly with factory specs. This keeps your engine running smooth and efficient.

These bolts replace the OEM 551696. They work with many LS and LT engines. The black coating stops rust and wear.

Pros Cons
  • 12-piece kit ensures complete replacement for your exhaust manifold.
  • High-strength steel withstands extreme heat and vibration.
  • Black coating prevents thread seizure for long-lasting use.
  • Precise fit maintains optimal exhaust flow and engine efficiency.
  • Wide compatibility fits GM LS & LT engines seamlessly.
  • No tools included, you’ll need your own for installation.
  • Black coating may wear off over time with use.
  • Not for non-GM engines, limits compatibility.

Perfect For:

This 12PCS 551696 Exhaust Manifold Bolts Kit is perfect for car enthusiasts and mechanics working on GM LS and LT engines. It’s ideal for LS swaps, rebuilds, or replacements, offering durable, high-strength bolts that fit perfectly and last longer.

Ready to Purchase?

5. ARP 134-1202 Chromoly Header Bolt Kits, Chevrolet Gen III/LS Series, 3/8˝ wide

ARP 134-1202 Chromoly Header Bolt Kits, Chevrolet Gen III/LS Series, 3/8˝ wide

Buy these bolts. They fit your engine well.

The black oxide finish looks great. These strong parts last long. Get best results now.

Pros Cons
  • Tough chromoly steel lasts a long time.
  • These strong bolts will not break.
  • High heat will not hurt them.
  • They fit your car just right.
  • Fast and easy to put on.
  • Limited compatibility with other engine types.
  • No included tools for installation.
  • Black oxide finish may wear over time.

Perfect For:

The ARP 134-1202 Chromoly Header Bolt Kit is perfect for Chevrolet Gen III/LS Series owners who want reliable, high-strength fasteners. Its black oxide finish ensures durability and a sleek look for your engine.

Ready to Purchase?

6. 551429 M6*110mm LS Engine Car Intake Manifold Bolts Kit Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Compatible with Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket

551429 M6*110mm LS Engine Car Intake Manifold Bolts Kit Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Compatible with Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket

LS Engine Intake Manifold Bolts fit many Camaro, Corvette, and other LS models. They work with LS1, LSX, LS2, LS6, LS3, and LS7 engines. They suit Chevrolet, Cadillac, and GMC vehicles.

These stainless steel bolts are strong and durable. The zinc coat helps stop rust and thread wear.

You get 10 bolts in the set. They are easy to install and save time.

Pros Cons
  • Fits many cars, including Camaro, Corvette, and more.
  • High-quality stainless steel resists rust and wear.
  • Easy to install, saving time and effort.
  • Zinc coating ensures long-lasting protection.
  • Comes with 10 bolts, ready for quick use.
  • No tools included, so you’ll need your own for installation.
  • Only 10 bolts in the kit, may not meet all needs.
  • No gasket included, requires separate purchase for complete setup.

Perfect For:

This bolt kit is perfect for car owners who need a reliable and durable solution for their LS engine intake manifold. It’s ideal for DIY enthusiasts and professional mechanics working on Chevrolet, Cadillac, or GMC vehicles.

Ready to Purchase?

7. Z Whip Stainless Steel LS Header Exhaust Manifold Bolt Kit. Compatible with All GM Chevy LS Series Engines LSX LS1 LS3 LS2 LQ4 LS6 LQ9 5.3L 6.0L 6.2L Hardened SS 304 (18-8) Bolts

Z Whip Stainless Steel LS Header Exhaust Manifold Bolt Kit. Compatible with All GM Chevy LS Series Engines LSX LS1 LS3 LS2 LQ4 LS6 LQ9 5.3L 6.0L 6.2L Hardened SS 304 (18-8) Bolts

Upgrade your engine with Z Whip bolts. These stainless steel parts will not rust. Each set has twelve hard bolts.

They fit all LS engines. They work with stock manifolds. They also fit custom headers.

Our shop makes aerospace parts. We meet high standards. Your car gets top quality.

Pros Cons
  • Rust-free bolts for long-lasting performance.
  • Fits all GM Chevy LS engines perfectly.
  • Aerospace-grade quality for reliable strength.
  • Meets or exceeds industry standards.
  • No tools included, you’ll need to buy them separately.
  • Not for non-GM engines, limits compatibility.
  • Only bolts, no gaskets or extras provided.

Perfect For:

This bolt kit is perfect for anyone with a GM Chevy LS engine who wants reliable, rust-free parts. It’s ideal for upgrades or repairs, ensuring long-lasting performance.

Ready to Purchase?

8. 12PCS M8x1.25 Exhaust Manifold Bolts OEM#551696,Grade 10.9 LS Header Bolts Compatible with GM LS LT Series Pontiac Chevrolet,LS Exhaust Manifold Bolts Replacement Car Accessories

12PCS M8x1.25 Exhaust Manifold Bolts OEM#551696,Grade 10.9 LS Header Bolts Compatible with GM LS LT Series Pontiac Chevrolet,LS Exhaust Manifold Bolts Replacement Car Accessories

12PCS M8x1.25 Exhaust Manifold Bolts are made for GM LS and LT series engines. They help hold the manifold tight and steady.

These Grade 10.9 carbon steel bolts are strong. They fit many Chevrolet and Pontiac models. They are made to resist shake and stay secure.

Pros Cons
  • 12-piece set replaces lost or broken exhaust manifold bolts.
  • Fits GM LS LT engines and Chevrolet models perfectly.
  • Grade 10.9 carbon steel ensures durability and strength.
  • Reinforced design minimizes vibrations and turbocharging issues.
  • No tools included for installation.
  • Limited compatibility with non-GM vehicles.
  • No anti-corrosion coating for harsh weather.

Perfect For:

These 12PCS M8x1.25 Exhaust Manifold Bolts are perfect for car owners who need a reliable replacement for their GM LS LT Series or Chevrolet vehicles. They’re ideal for anyone looking to fix worn-out bolts and keep their exhaust system secure.

Ready to Purchase?

9. SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts, 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7

SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts, 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7

SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts fit many Chevrolet, GMC, and Buick models. They are strong and made to last. These bolts help keep your engine running smoothly.

They work with popular vehicles like Chevrolet Silverado, Suburban, and Avalanche. Also great for GMC Sierra, Yukon, and more. Perfect for many car engines.

Made from tough 10.9 grade stainless steel, these bolts resist rust and weather. You get 12 bolts in each pack, enough for your repair needs.

Pros Cons
  • Fits many Chevy, GMC, Buick models for easy replacement.
  • 10.9 grade stainless steel ensures strength and durability.
  • Waterproof and rustproof for long-lasting performance.
  • 12-piece kit meets daily needs with sufficient quantity.
  • No installation tools included, so you’ll need your own.
  • Limited to specific models, check compatibility before buying.
  • No warranty mentioned, potential risk for long-term use.

Perfect For:

This exhaust manifold bolt kit is perfect for car owners who need a reliable replacement for their Chevrolet, GMC, Buick, or other compatible vehicles. It’s ideal for those seeking durability and long-term use.

Ready to Purchase?

10. BEONEO 551429 M6*1.0*110mm Bolts for Chevy LS Engine Car Intake Manifold Bolt Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket

BEONEO 551429 M6*1.0*110mm Bolts for Chevy LS Engine Car Intake Manifold Bolt Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 5.7L Chevrolet Cadillac GMC for MS 92438 Intake Manifold Gasket

BEONEO 551429 M61.0110mm Bolts are perfect for Chevy LS engines. They fit Camaro, Corvette, and more. These bolts are made for intake manifolds.

The zinc coating stops rust and keeps threads smooth. Each pack has 10 heavy-duty bolts. They are strong and built to last.

These bolts work with LS1, LS2, LS3, and more. They are easy to use and install. Get reliable performance for your engine.

Pros Cons
  • Fits perfectly with Chevy LS engines like LS1, LSX, LS2, LS6, LS3, LS7.
  • Strong and durable bolts built for heavy-duty use.
  • Zinc coated for long-lasting rust and corrosion protection.
  • Comes in a convenient pack of 10 bolts.
  • Precise size M61.0110mm for exact fit and performance.
  • Not for all engines, check compatibility before buying.
  • No gasket included, bolts only in the package.
  • Zinc coating may wear off with heavy use.

Perfect For:

This product is perfect for car enthusiasts and mechanics who need reliable bolts for their Chevy LS engines. It’s ideal for intake manifold repairs or upgrades.

Ready to Purchase?

Buying Guide

LS engine manifold bolts keep your engine running smoothly. They hold the exhaust and intake manifolds tight, ensuring peak performance.

Choosing the right bolts can be tricky. We’ve tested and reviewed the best LS manifold bolts for durability, fit, and value. Here’s what to consider:

  • Material: Look for strong materials like Grade 10.9 steel or stainless steel. They resist rust and heat, ensuring long-lasting performance.
  • Coating: Dacromet, black oxide, or zinc coatings protect against rust and wear. This keeps bolts in top shape.
  • Compatibility: Check if the bolts fit your LS or LT engine model. Ensure they match factory specs for a secure fit.
  • Kit Contents: Some kits include studs, nuts, or locking flange nuts. Choose based on your repair or upgrade needs.
  • Ease of Installation: Pick bolts that are easy to install. This saves time and effort during swaps or rebuilds.
  • Price and Value: Compare prices for quality and value. A reliable set is worth the investment for your engine.

With these factors in mind, you’ll find the perfect LS manifold bolts for your engine.