Best grade bolt for exhaust manifold

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1APDTY 103944 Exhaust Manifold Anti-Corrosion Flanged Bolt (Set of 12; M8-1.25; Grade 10.9) (Direct Fit For The Models Listed In Compatibility Chart)APDTY 103944 Exhaust Manifold Anti-Corrosion Flanged Bolt (Set of 12; M8-1.25; Grade 10.9) (Direct Fit For The Models Listed In Compatibility Chart)$13.88Buy on Amazon
2ICT Billet USA BOLTS KIT ONLY LS LT Exhaust Manifold/Header Flange Bolts LS1 LS3 LS2 LSX ICT LM7 LR4 LQ4 LS6 LQ9 L33 LH6 L92 L76 L99 L96 L82 L83 L84 L86 L87 LT1 551696ICT Billet USA BOLTS KIT ONLY LS LT Exhaust Manifold/Header Flange Bolts LS1 LS3 LS2 LSX ICT LM7 LR4 LQ4 LS6 LQ9 L33 LH6 L92 L76 L99 L96 L82 L83 L84 L86 L87 LT1 551696$19.99Buy on Amazon
3A-Team Performance - Hex Flange Bolts LS Exhaust Flange Manifold Header Zinc Plated - Compatible with GM Chevrolet Chevy LS1 LS3 LS2 LSX LT Engines 551696 Bolt Kit Only SilverA-Team Performance – Hex Flange Bolts LS Exhaust Flange Manifold Header Zinc Plated – Compatible with GM Chevrolet Chevy LS1 LS3 LS2 LSX LT Engines 551696 Bolt Kit Only Silver$12.99Buy on Amazon
4Fel-Pro ES75120 Exhaust Manifold Bolt SetFel-Pro ES75120 Exhaust Manifold Bolt Set$27.19Buy on Amazon
5Dorman 03413B Exhaust Manifold Hardware Kit Compatible with Select ModelsDorman 03413B Exhaust Manifold Hardware Kit Compatible with Select Models$7.77Buy on Amazon
6Dorman 03423 Exhaust Manifold Bolt Kit Compatible with Select ModelsDorman 03423 Exhaust Manifold Bolt Kit Compatible with Select Models$7.68Buy on Amazon
7Dorman 03413 Exhaust Manifold Hardware Kit Compatible with Select ModelsDorman 03413 Exhaust Manifold Hardware Kit Compatible with Select Models$7.55Buy on Amazon
8ICT Billet BBC Intake Manifold Bolt Kit 16 Piece Bolt Set Compatible with Big Block Chevy 396 402 409 427 454 502 V8 Eight Cylinder Carburetor Chevrolet 3/8-16 Standard Thread 551664ICT Billet BBC Intake Manifold Bolt Kit 16 Piece Bolt Set Compatible with Big Block Chevy 396 402 409 427 454 502 V8 Eight Cylinder Carburetor Chevrolet 3/8-16 Standard Thread 551664$19.99Buy on Amazon
9EASYBERG 12PCS Turbocharger & Exhaust Manifolds Up-Pipe Bolts Fit for 2001-2016 Duramax DieselEASYBERG 12PCS Turbocharger & Exhaust Manifolds Up-Pipe Bolts Fit for 2001-2016 Duramax Diesel$24.89Buy on Amazon
10Hard-to-Find Fastener 014973217174 Automotive Studs, 3/8-16 x 3/8-24 x 2, Piece-5Hard-to-Find Fastener 014973217174 Automotive Studs, 3/8-16 x 3/8-24 x 2, Piece-5$11.30Buy on Amazon

Best grade bolt for exhaust manifold information

2. ICT Billet USA BOLTS KIT ONLY LS LT Exhaust Manifold/Header Flange Bolts LS1 LS3 LS2 LSX ICT LM7 LR4 LQ4 LS6 LQ9 L33 LH6 L92 L76 L99 L96 L82 L83 L84 L86 L87 LT1 551696

ICT Billet USA BOLTS KIT ONLY LS LT Exhaust Manifold/Header Flange Bolts LS1 LS3 LS2 LSX ICT LM7 LR4 LQ4 LS6 LQ9 L33 LH6 L92 L76 L99 L96 L82 L83 L84 L86 L87 LT1 551696
  • Made in the USA bolts
  • Heavy duty, high strength, grade 10.9 bolts
  • Zinc coated for long lasting corrosion protection and prevents threads from seizing
  • No washers needed with these flanged headed JIS spec bolts
  • All ICT Billet metric flange bolts are custom made for us, right here in the USA!!

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3. A-Team Performance – Hex Flange Bolts LS Exhaust Flange Manifold Header Zinc Plated – Compatible with GM Chevrolet Chevy LS1 LS3 LS2 LSX LT Engines 551696 Bolt Kit Only Silver

A-Team Performance - Hex Flange Bolts LS Exhaust Flange Manifold Header Zinc Plated - Compatible with GM Chevrolet Chevy LS1 LS3 LS2 LSX LT Engines 551696 Bolt Kit Only Silver
  • Hex Flange Bolts LS Exhaust Flange Manifold Header Zinc Plated
  • Compatible with GM Chevrolet Chevy LS1 LS3 LS2 LSX LT Engines 551696 Bolt Kit Only Silver
  • GM LS / LT Engines (Gen III, IV, V). USA Grade 10.9 with LS Exhaust Manifold Bolts
  • Zinc-Plated and 350 Header Gasket Set with Bolts
  • M8-1.25 x 25mm. Pack of 12

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4. Fel-Pro ES75120 Exhaust Manifold Bolt Set

Fel-Pro ES75120 Exhaust Manifold Bolt Set
  • Designed and manufactured to meet the needs of the exhaust system repair environment.
  • Verified, tested and certified proprietary Organic coating resists corrosion.
  • Tightly controlled coefficient of friction ensures reliable installation.
  • Application specific kit contents
  • Self-locking nuts (where applicable).

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5. Dorman 03413B Exhaust Manifold Hardware Kit Compatible with Select Models

Dorman 03413B Exhaust Manifold Hardware Kit Compatible with Select Models
  • Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
  • Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

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6. Dorman 03423 Exhaust Manifold Bolt Kit Compatible with Select Models

Dorman 03423 Exhaust Manifold Bolt Kit Compatible with Select Models
  • Direct replacement – this exhaust bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

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7. Dorman 03413 Exhaust Manifold Hardware Kit Compatible with Select Models

Dorman 03413 Exhaust Manifold Hardware Kit Compatible with Select Models
  • Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
  • Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

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8. ICT Billet BBC Intake Manifold Bolt Kit 16 Piece Bolt Set Compatible with Big Block Chevy 396 402 409 427 454 502 V8 Eight Cylinder Carburetor Chevrolet 3/8-16 Standard Thread 551664

ICT Billet BBC Intake Manifold Bolt Kit 16 Piece Bolt Set Compatible with Big Block Chevy 396 402 409 427 454 502 V8 Eight Cylinder Carburetor Chevrolet 3/8-16 Standard Thread 551664
  • Replace your old and worn out bolts
  • Heavy duty, high strength, grade 10.9 bolts
  • Zinc coated for long lasting corrosion protection and prevents threads from seizing
  • No washers needed with these flanged headed bolts
  • Included in the package are 16 bolts

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9. EASYBERG 12PCS Turbocharger & Exhaust Manifolds Up-Pipe Bolts Fit for 2001-2016 Duramax Diesel

EASYBERG 12PCS Turbocharger & Exhaust Manifolds Up-Pipe Bolts Fit for 2001-2016 Duramax Diesel
  • ▲2001 – 2016 Duramax diesel up-pipe bolt set (set of 12 bolts)
  • ▲12 point M10 bolts, grade 12.9 (160,000 psi tensile strength).
  • ▲These bolts are used to attach the driver and passenger side up-pipes to the exhaust manifold and turbocharger flanges.
  • ▲ The OEM bolts should not be reused when replacing (or disconnecting) up-pipes as they lose their material properties and strength characteristics with age and heat exposure.
  • ▲They are extremely likely to break if reused and extraction is a tedious, time consuming process.

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10. Hard-to-Find Fastener 014973217174 Automotive Studs, 3/8-16 x 3/8-24 x 2, Piece-5

Hard-to-Find Fastener 014973217174 Automotive Studs, 3/8-16 x 3/8-24 x 2, Piece-5
  • Diameter: 3/8″
  • Length: 2 inches
  • Material: Steel
  • Finish: Zinc
  • Thread Type: 16, 24 (Coarse)

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