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Find all the exhaust header bolts you’ll ever need for a secure and leak free seal right here at Speedway Motors! With only the top quality brands you trust like ARP, Mr. Gasket, and Dynatech, you can be sure to get the right bolts the first time for your high performance street machine or race car. Available in your choice thread and head size with finish options of chrome, zinc, stainless, and black oxide, Speedway Motors is your one and only source for exhaust header bolts and hardware, all at a price anyone can afford!

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Many Engines, 1.36" Overall Length, Hex Wrench Type

Overall Length: 1.36"

Under Head Length: 1"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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Many Engines, 1.03" Overall Length, Hex Wrench Type

Overall Length: 1.03"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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Many Engines, 1.05" Overall Length, Hex Wrench Type

Overall Length: 1.05"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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Many Engines, 1.12" Overall Length, Allen Wrench Type

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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1.04" Overall Length, 0.75" Under Head Length, Steel

Overall Length: 1.04"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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0.75" Under Head Length, 7/16"-14 Thread Pitch

Under Head Length: 0.75"

Thread Pitch: 7/16"-14

Thread Pitch (2): 3/8"-16

Wrench Type: Allen

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1.07" Overall Length, 0.75" Under Head Length, Polished

On Sale

Overall Length: 1.07"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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Many Engines, 0.75" Under Head Length, Stainless Steel

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

Material Type: Stainless Steel

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332, 352, 390, 406, 427, 428, 1" Under Head Length

Under Head Length: 1"

Thread Pitch: 7/16"-14

Thread Pitch (2): 3/8"-16

Wrench Type: Allen

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0.88" Under Head Length, 7/16"-14 Thread Pitch, Steel

Under Head Length: 0.88"

Thread Pitch: 7/16"-14

Thread Pitch (2): 3/8"-16

Wrench Type: Allen

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Many Engines, 1.12" Overall Length, Allen Wrench Type

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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Many Engines, 1.12" Overall Length, Allen Wrench Type

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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1.15" Overall Length, 0.75" Under Head Length, Steel

Overall Length: 1.15"

Under Head Length: 0.75"

Thread Pitch: 5/16"-18

Wrench Type: Hex

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Many Engines, 3/8"-16 Thread Pitch, Steel

Thread Pitch: 3/8"-16

Wrench Type: 12 Point

Thread Length (2): .625"

Material Type: Steel

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L33, L59, LM4, LM7, LQ4, LQ9, LR4, LS1, LS6, Steel

On Sale

Under Head Length: 1.181"

Thread Pitch: 8mm x 1.25

Wrench Type: Hex

Material Type: Steel

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265, 267, 283, 302, 305, 307, 327, 350, 400, 262

Overall Length: 1.11"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: 12 Point

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396, 402, 427, 454, 1.67" Stud Length, Steel, Black

On Sale

Stud Length: 1.67"

Thread Pitch: 3/8"-16

Thread Length: 0.53"

Thread Pitch (2): 3/8"-24

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Universal Fit, 0.75" Under Head Length, Steel, Black

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

Material Type: Steel

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Many Engines, 1.11" Overall Length, Stainless Steel

Overall Length: 1.11"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: 12 Point

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Pontiac V8, Chevy Small Block V8, Chrysler Big Block V8

Video Available

Thread Pitch: 3/8"-16

Material Type: Stainless Steel

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Universal Fit, 1" Under Head Length, Stainless Steel

On Sale

Under Head Length: 1"

Thread Pitch: 3/8"-16

Material Type: Stainless Steel

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$29.99
$38.99

Chevy Small Block V8, AMC V8, 1" Under Head Length

On Sale

Under Head Length: 1"

Thread Pitch: 3/8"-16

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Chevy Small Block V8, 1.67" Stud Length, Steel, Black

Stud Length: 1.67"

Thread Pitch: 3/8"-16

Thread Length: 0.52"

Thread Pitch (2): 3/8"-24

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$33.99
$43.22

L33, L59, LM4, LM7, LQ4, LQ9, LR4, LS1, LS6, Steel

On Sale

Under Head Length: 1.181"

Thread Pitch: 8mm x 1.25

Wrench Type: 12 Point

Material Type: Steel

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Many Engines, 1" Under Head Length, Steel, Zinc

On Sale

Under Head Length: 1"

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Zinc

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Many Engines, 0.875" Under Head Length

On Sale

Under Head Length: 0.875"

Thread Pitch: 3/8"-16

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LS1, LS2, LS3, LS4, LS7, LY2, 26 mm Under Head Length

Under Head Length: 26 mm

Thread Pitch: 8mm x 1.25

Material Type: Steel

Finish: Zinc

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Pontiac V8, Chevy Small Block V8, Chrysler Big Block V8

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Material Type: Stainless Steel

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Many Engines, 1" Under Head Length, Steel, Zinc

Under Head Length: 1"

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Zinc

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Chevy LS V8, 25 mm Under Head Length, Hex Wrench Type

Under Head Length: 25 mm

Thread Pitch: 8mm x 1.25

Wrench Type: Hex

Material Type: Steel

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