Best Exhaust Studs Nuts in 2026

ALL Stainless Steel M8*50

Replace part number: N811313S431

For Ford 4.6 & 5.4 Liter V8 Engine

ALL Stainless Steel M8*50

Thread Size: M10x1.25

Replace part number: N811313S431

Fitment : for 1984-2015 Big Twin, and for 1986-2014 Harley Sportster XL

Kit includes four zinc-plated studs and four chrome-plated flanged nuts

Replaces OEM #16715-83

Exhaust manifold Stud Bolt Nut Gaskets Kit is designed compatible with Honda Acura B, C, D, F, H series engines. also works for the intake manifold; You can also remove the gasket (exhaust manifold stud designed compatible with Ford 4.6 & 5.4 Liter V8 Engine)

Standard 304 stainless steel studs and serrated flange nuts kit is great replacement for your orginial stud and bolt that are rusted and broken

Exhaust manifold stud nuts kit thread size, M8*1.25MM, also fit other vehicle, such as Chevrolet, GMC, Dodge and so on. Please Check and measure the lengths(50mm) and thread sizes(M8*1.25MM) needed for your specific vehicle application

Condition:100% Brand New AFTERMARKET PARTS,Complete Exhaust Manifold Stud Kit.

Nut Hex (Wrench) Size:14mm,Stud threaded length specs:Threads 25mm/15mm.

Material: A2-70 stainless steel,Size:M10-1.25 x 48mm Long.

[ Wide Application ] --- Applied to Fasten Turbo and Manifolds under a lot of heat and stress, great replacement for your orginial stud and bolt that are rusted and broken.

[ Quality Material ] --- The t3 t4 turbo mounting studs are made of 8.8 grade heat treatment alloy steel material, high hardness, corrosion and rust resistant.

[ Easy Installation ] --- Easy to install, direct replacement for old or broken parts, save you the headache of having broken bolts in the future, also make your Engine look Nice.

Fits: BMW 3 Series E30

Copper Plated Hex nut with flange, self locking.

MPN: 11621711954

10mm Hex Wrench Size

Compact

Copper coated steel

Replaces Part Number: 4TZ-9S425-A , F4TZ9S425A

Fits 1994-2003, 7.3 LITER POWERSTROKE DIESELS.

Note: These are meant to secure the exhaust manifold to the cylinder head, you will need one kit per manifold

Application: Stud Kit applied to Fasten Turbo and Manifolds under a lot of heat and stress.

High quality: Head Stud Kit is made of 8.8 grade heat treatment alloy steel material, high hardness, acid and alkali and rust resistant. Good quality can provide a safer guarantee for your life.

Excellent performance: Head Bolt Kit with professional manufacturing, the kit has high level of accuracy and durability. Exquisite workmanship, this product is perfect fitting your vehicle.

Country of Origin : China

Fits multiple makes and models (contact seller with your vehicle for fitment compatibility information)

Package Dimensions: 4.81 L x 2.19 H x 3.63 W (inches)

Widely Application - Stud Nuts can be used in exhaust systems, intake manifolds and many other applications.

Premium Quality - Stud Nuts are made of 304 stainless steel and are not rusted by ordinary fasteners. High quality material ensures stable performance and durability.

Excellent Performance - Stable performance, accurate size, worthy of your trust. Made of high quality materials for excellent durability.

Walker Exhaust 35079 HARDWARE HEX NUT

Single piece

Made of high quality materials for excellent durability.

Can be used in exhaust systems, intake manifolds and many other applications.

They are made of 304 stainless steel and are not rusted by ordinary fasteners.