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Exhaust Manifold Hardware

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Summit Racing™ Header Bolts

Summit Racing™ offers header bolts for a variety of engine applications, from 1955 and up. These stainless steel fasteners have small 3/8 in. hex heads for use with a box end wrench and a 9/16 in. head flange that eliminates the need for washers. For rebuild, restoration, or swap, replacement bolts from Summit Racing™ will properly secure your header.

5.0 out of 5 stars ( 14 )

$13.99

ICT Billet Exhaust Manifold Bolts

ICT Billet exhaust manifold bolts are high-quality kits for your LS. Each of the packages contains a dozen Grade 10.9, zinc plated steel bolts. Fasten your header/exhaust manifold to the engine with ICT Billet exhaust manifold bolts.

4.4 out of 5 stars ( 10 )

$25.99

Summit Racing™ Inconel Exhaust Stud Kits

Summit Racing™ Inconel exhaust stud kits are offered to work with our EcoBoost Turbo manifolds or as a replacement for the often-broken factory studs. Made from unbreakable A286 Inconel, these high-nickel stainless steel studs are corrosion-resistant and will withstand the high temperatures of turbocharged exhaust. Never break another exhaust manifold bolt again! Each kit includes 18 studs and nuts for use with manifolds that include an extra mounting hole.

Not Yet Reviewed

$169.99

Summit Racing™ Extreme Duty Header Bolt kits

Summit Racing™ Extreme Duty exhaust manifold header bolts are engineered to withstand the stress and abuses that high-horsepower engines endure. These fastener kits come with all necessary studs, nuts, washers, lubricant, and instructions to ensure maximum performance and reliability. Order the hardware recommended for your year/make and engine application. Extreme Duty fasteners feature: * Tensile strengths above 170,000 psi * High-strength chromoly steel utilized for all products * Precision manufacturing processes ensure consistent product performance * All studs are twice straightened to guarantee straightness * Threads are rolled after heat treatment for high strength * Tensile and yield strength tested after thread rolling * Uniformly applied black oxide surface finish * Anti-rust oil coating to protect fasteners from corrosion

5.0 out of 5 stars ( 2 )

$29.99

BD Diesel Exhaust Manifold Bolt and Spacer Kits

Typical aftermarket exhaust manifold bolts are much shorter than stock which after numerous heat cycles can cause them to fatigue and start to stretch, leading to exhaust leaks and possible breakage after repeated re-torques. The finish and coating on most of these bolts can also lead to premature corrosion and zinc embrittlement. Replace damaged or corroded exhaust manifold bolts with BD Diesel class 10.9 bolts and spacers which improve thermal durability to stand up to the heat and non-Zinc plated fasteners prevent zinc embrittlement. Order the kit recommended for your vehicle and engine application. BD Diesel exhaust manifold bolt and spacer kit #1041483 details: * Exhaust spacers ensure fastener operates in elastic stretch without fracture or permanent yield * Class 10.9 hardware * Non-zinc plated fasteners prevent zinc embrittlement * Includes 16 exhaust spacers (18mm) * Includes 16 flange head exhaust bolts (M8x1.25 – 40mm 10.9)

5.0 out of 5 stars ( 1 )

$95.95

Dorman Exhaust Manifold Mounting Hardware

Dorman exhaust manifold mounting hardware is designed to replace broken, stripped, or corroded stock fasteners. The studs, bolts, and nuts are manufactured from quality materials and offered in a variety of finishes. Dozens of options are available; choose the lengths and thread sizes needed for your specific vehicle application. Pieces are sold individually, in pairs, or larger quantity sets. A secure exhaust manifold begins with Dorman mounting hardware.

4.07 out of 5 stars ( 288 )

$2.50

$48.99

OMIX-ADA Exhaust Manifold Mounting Hardware

OMIX-ADA exhaust manifold mounting hardware will help you service your Jeep. They offer individual screws and washers, as well as kits, and all are high-quality OE replacements. Keep your part of the Jeep heritage on the road with the help of OMIX-ADA.

4.89 out of 5 stars ( 9 )

$3.99

Scott Drake Exhaust Manifold Bolts

There's nothing like an original. And thanks to Scott Drake, your Mustang is a true classic right down to the exhaust manifold bolts. These fasteners are exact copies made from the original supplier to Ford Motor Company. They feature Ramp-Lok, a special conical washer designed specifically for exhaust manifolds. Order the set tailored for your application—and keep it authentic with Scott Drake exhaust manifold bolts.

4.61 out of 5 stars ( 18 )

$49.95

$85.85

Walker Exhaust Manifold Hardware

Walker exhaust manifold hardware kits include a variety of components and are designed to work with Walker aftermarket parts on hundreds of vehicles dating as far back as the mid-70s. The pieces are manufactured from durable materials to ensure tight, leak-free connections. Beneath your chassis, Walker heavy-duty hardware helps to provide years of trouble-free performance.

4.4 out of 5 stars ( 15 )

$12.99

$16.99

Fel-Pro Exhaust Manifold Hardware

Fel-Pro exhaust manifold hardware is designed to replace broken, cracked, or stripped fasteners and administer sufficient clamping force to prevent exhaust leaks. The studs are machined from steel to inhibit fatigue, with a black coating to prevent corrosion. Washers are included. Order the hardware set recommended for your vehicle year/make and engine application.

Not Yet Reviewed

$29.99

$46.99

Summit Racing™ Exhaust Manifold Hardware Kits

Summit Racing™ exhaust manifold hardware kits contain the necessary hardware, gaskets, and fasteners to install particular Summit Racing™ exhaust manifolds. They can also be used to replace broken or missing hardware. Any job is easier to complete with the proper hardware at hand.

2.5 out of 5 stars ( 4 )

$31.99

Dorman Exhaust Flange Hardware Kits

Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman exhaust flange hardware kits are made of steel with a black finish and include a shoulder bolt, conical spring, lever nut, and locknut. Dorman offers products like fasteners and solutions to keep your vehicle running its best.

4.2 out of 5 stars ( 10 )

$6.99

$23.99

Stage 8 Locking Exhaust Manifold Bolts

Lock down your Ramhorn exhaust manifold with Stage 8 locking fasteners. These exhaust manifold bolt sets include aircraft-quality Grade 8 4130 alloy steel bolts plated with a duplex nickel finish. Stage 8 also includes washers and duplex nickel-finished locking clips. Get assurance against loosening bolts--install with Stage 8 locking fasteners.

3.88 out of 5 stars ( 8 )

$64.52

$78.85

ACDelco GM Genuine Parts Exhaust Manifold Studs

ACDelco GM Genuine Parts exhaust manifold studs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These multi-purpose studs are the true OE parts installed during the production of or validated by General Motors for GM vehicles, so you can purchase and install with confidence knowing they will fit and perform just like the originals they are replacing.

5.0 out of 5 stars ( 1 )

$10.99

Mishimoto Exhaust Manifold Hardware Kits

Mishimoto offers exhaust manifold stud kits for a variety of applications, including Cummins diesel inline 6-cylinder engines found on many Dodge and Ram trucks from 1994 and up. Machined from chromium-infused alloy steel for strength and corrosion resistance, these bolts are designed to increase the clamping force between the manifold and cylinder head—effectively minimizing the risk of boost-killing leaks and reducing the likelihood of manifold warpage. Anyone who has attempted to grapple a heavy manifold and turbocharger with one hand while attempting to line up a bolt hole with the other will appreciate the ease and convenience these stud kits provide. With 12-point hardware engineered to prevent nut rounding, gone are fears of stripped or rounded hardware.

Not Yet Reviewed

$117.95

Kral Original Exhaust Manifold Bolt Repair Kits

Kral Original exhaust manifold bolt repair bracket kits provide a permanent fix that allows you to repair exhaust leaks without removing cylinder heads or broken bolts, saving your time and money. The traditional fix of removing and replacing broken manifold bolts does not necessarily fix the problem. The bolts will break again due to the factory bolts being too small. Also, the traditional repair of removing the cylinder heads and manifolds and drilling the broken bolts out of the cylinder head can cost you big money and labor time. Kral kits deliver a simple remedy to prevent this issue from reappearing. With a bracket kit for every manifold bolt, select the Kral Original bolt repair kit designed for your engine application.

Not Yet Reviewed

$28.65

$60.90

AP Exhaust Manifold Shoulder Bolt and Spring Kits

AP Exhaust provides a comprehensive offering of exhaust accessories, including manifold shoulder bolt and spring kits that can be used as time-saving solutions for manifold repair. Each kit is designed to be a direct replacement for rusted or damaged exhaust bolts and springs on specific year/make/model applications, thus ensuring an exact fit every time.

4.08 out of 5 stars ( 12 )

$15.99

Dorman Exhaust Manifold Clamps

Exhaust leaks and broken manifold bolts—Dorman has a solution: new exhaust manifold clamps! Their innovative repair clamps attach to the cylinder head, apply pressure to the manifold, and create a seal to take the place of the broken bolts. There's no need to remove the cylinder head, so you save time and money! Easily repair exhaust leaks without removing broken manifold bolts with the help of Dorman clamps.

4.78 out of 5 stars ( 9 )

$39.99

$41.99

Crown Automotive Exhaust Manifold Hardware

Crown Automotive exhaust manifold hardware will allow you to properly clamp the exhaust manifold to the cylinder head. They are designed to replace broken, cracked, or stripped hardware and administer sufficient clamping force, preventing exhaust leaks. Crown hardware is constructed from tough steel to inhibit fatigue.

4.25 out of 5 stars ( 4 )

$2.99

$3.99

AP Exhaust Clamp-A-Studs

Broken manifold stud? AP Exhaust Clamp-A-Studs are made from aluminized steel to assist you with fixing the problem quickly and easily. They're available in three diameter ranges. Some special tools fall into the must-have group--AP Exhaust Clamp-A-Studs are in that group.

3.0 out of 5 stars ( 2 )

$35.99

$40.99

Trail-Gear Exhaust Manifold Stud and Nut kits

Trail-Gear exhaust manifold stud and nut kits are a must-have for installing new aftermarket headers. These TG kits maintain an even clamping force to keep the header tight against the head, sealing the exhaust gasket properly. If the studs on your truck are old, it's cheaper and easier to replace studs than it is to remove broken ones. Choose Trail-Gear replacement stud and nut kits to do the job properly. They're available for fitment on a variety of make/model and engine applications.

4.0 out of 5 stars ( 1 )

$9.99

Mopar Replacement Exhaust Manifold Hardware

Mopar Replacement exhaust manifold hardware offers high-quality, along with an original equipment fit and function, to keep your favorite Chrysler, Dodge, or Jeep rolling down any road you choose to travel. These pieces of hardware are made from quality materials to provide the best fastening, along with peace of mind. Choose genuine Mopar Replacement exhaust manifold hardware for a hassle-free install and the performance you expect.

Not Yet Reviewed

$7.99

$16.99

Dorman Exhaust Flange Repair Kits

On certain Ford trucks and vans, the original equipment studs connecting the catalytic converter to the exhaust manifold flange can typically rust and break, and removal can be difficult, but Dorman has an OE FIX. Their exhaust flange repair kits offer a cost-effective, faster, and much simpler way to securely reconnect the converter and flange using ordinary hand tools, and without drilling, heating, or welding. Dorman exhaust manifold flange repair kits contain a pair of sturdy stainless steel brackets designed to fit over the broken stud sections on the manifold flange, and feature an integrated threaded stud that slides through the catalytic converter mounting holes. Just push the threaded end of each bracket through the catalytic converter mounting holes, place the contoured side of each bracket against the exhaust flange and around the headless broken studs of the exhaust flange, and secure the connection with the included stainless steel nuts. Make flange repairs without the high cost and labor of replacing the complete pipe. Select a Dorman kit for your OE FIX.

4.0 out of 5 stars ( 1 )

$16.99

AP Exhaust HUSH Studfixes

Exhaust manifolds get hot! If the studs on the end of the manifold go bad or break off, use AP Exhaust HUSH Studfixes for connections. These unique accessories cradle the stud mount and have a bolt in the middle for connection to the exhaust tubing flange. They're manufactured with high-grade materials.

5.0 out of 5 stars ( 1 )

$30.99

$31.99