Top 10 3/8-16 Header Bolts – Automotive Replacement Exhaust Header Bolts

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1. Z Whip

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Z Whip BBC Stainless-Steel Exhaust Header Bolt Kit 1” 3/8-16 Bolts and Washers Compatible with Chevrolet V8 Big Block V8 Engines 1958-2000 348 366 402 409 427 396 454 502 7.4L TBI Vortec

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Z Whip #ad - Parts we produce fly at 30, 000 feet where failure is not an option. These use a 5/16” Allen Wrench/Socket. Compatible with all 1958-2000 chevy big block exhaust headers with up to ½” Thick Flanges 348 366 402 409 427 396 454 502 These do not fit oem manifolds.

Meets or exceeds industry Standard ASME / ANSI Specifications. When you purchase z whip Parts you will always get the highest quality for your vehicle that you rightfully deserve. We are an as9100d and iso 9001:2015 certified manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. We put the same quality into every part we produce. These are high grade 18-8 stainless-steel steel 3/8-16x1” bolts and washers That will NOT rust or Corrode like the chrome or steel ones sold.
BrandZ Whip #ad
ManufacturerZyxaxis Inc. #ad
Part Number99447821

2. Mr. Gasket

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Black, Mr. Gasket Header Bolts,3/8-16X1

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Mr. Gasket #ad - Three eighths coarse threads 1 inch long. Features a washer faced smaller than standard hex head that's perfect for getting into tight spaces. Manufactured from heat treated Grade 5 steel with a corrosion resistant black oxide finish. Set of 12. Designed to withstand the abuse of red hot exhaust ports and prevent leaks created by under tightened header bolts.
BrandMr. Gasket #ad
ManufacturerMr Gasket #ad
Height0 Inches
Length0 Inches
Weight0.25 Pounds
Width0 Inches
Part Number917
Model917

3. Mr. Gasket

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Mr. Gasket Header Bolts,3/8-16X3/4, Black

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Mr. Gasket #ad - Set of 12. Features a washer faced smaller than standard hex head that's perfect for getting into tight spaces. Three eighths coarse threads. 750 inch long. Designed to withstand the abuse of red hot exhaust ports and prevent leaks created by under tightened header bolts. Manufactured from heat treated Grade 5 steel with a corrosion resistant black oxide finish.
BrandMr. Gasket #ad
ManufacturerMr Gasket #ad
Height0 Inches
Length0 Inches
Weight0.2 Pounds
Width0 Inches
Part Number915
Model915

4. Z Whip

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Z Whip SBC Stainless-Steel Exhaust Header Bolt Kit 1” 3/8-16 Bolts Compatible with Chevrolet V8 Small Blocks 265 283 305 327 350 383 400 Gen I & II 92-97 LT1 LT4 TPI TBI 96-98 Vortec 5.0L 5.7L BOP

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Z Whip #ad - Parts we produce fly at 30, 000 feet where failure is not an option. When you purchase z whip Parts you will always get the highest quality for your vehicle that you rightfully deserve.

We put the same quality into every part we produce. Also compatible with pontiac buick oldsmobile 326 350 389 400 421 455 V8 Engines Using Exhaust Headers with up to ½” Thick Flanges These do not fit oem manifolds. Compatible with all 1955-1998/99 chevy small block exhaust headers with up to ½” Thick Flanges 265 283 305 307 327 350 383 400 These do not fit oem manifolds. These use a 5/16” Allen Wrench/Socket. These are high grade 18-8 stainless-steel steel 3/8-16x1” bolts and washers That will NOT rust or Corrode like the chrome or steel ones sold. We are an as9100d and iso 9001:2015 certified manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military.
BrandZ Whip #ad
ManufacturerZyxaxis Inc. #ad
Part Number99447820

5. ARP

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16 Piece, ARP 400-1208 3/8" x .750" UHL Stainless Steel Header Bolt Kit

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ARP #ad - Made in USA. Header Stud/Bolts. Package dimensions: 1. 524 h x 17. 78 l x 8. 636 w centimeters. Part number: arp-400-1208.
BrandARP #ad
ManufacturerARP #ad
Height0 Inches
Length0 Inches
Weight0.58 Pounds
Width0 Inches
Part NumberARP-400-1208
Model400-1208

6. Z Whip

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Z Whip SBF BBF Stainless-Steel Exhaust Header Bolt Kit 1” 3/8-16 Bolts and Washers Compatible with Ford Small & Big Block V8 Engines 260 289 302 351W 351C 352 390 428 429 460 FE 5.0L Mustang

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Z Whip #ad - We put the same quality into every part we produce. Parts we produce fly at 30, 000 feet where failure is not an option. When you purchase z whip Parts you will always get the highest quality for your vehicle that you rightfully deserve.

Compatible with ford small & big block v8 engines 260 289 302 351w 351c 352 390 428 429 460 FE Using Headers with up to a ½” Flange. Meets or exceeds industry Standard ASME / ANSI Specifications. We are an as9100d and iso 9001:2015 certified manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. These use a 5/16” Allen Wrench/Socket. These are high grade 18-8 stainless-steel steel 3/8-16x1” bolts and washers That will NOT rust or Corrode like the chrome or steel ones sold.
BrandZ Whip #ad
ManufacturerZyxaxis Inc. #ad
Part Number99447822

7. ARP

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Pack of 5, ARP 6131250 Stainless Steel 3/8-16 12-Point Bolts

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ARP #ad - Manufactured from polished Stainless 300 steel, a proprietary alloy that is impervious to rust and corrosion. Heads are compact 12-point style. Packaged on convenient 5-pack card. Rated at 170, 000 psi, which is considerably stronger than Grade 8 hardware. Bolts have a diameter of 3/8", an under head length of 1. 250, a standard thread pitch of 16, and the wrenching is 3/8.
BrandARP #ad
Manufacturer6131250 #ad
Height0.62 Inches
Length6 Inches
Weight0.25 Pounds
Width4 Inches
Part Number6131250
Model6131250

8. Mr. Gasket

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2211G Stainless Steel Header Bolts, 3/8-16X3/4 16Pc, Silver, Mr. Gasket

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Mr. Gasket #ad - Designed to withstand the abuse of red hot exhaust ports and prevent leaks created by under tightened header bolts. Three eighths coarse threads. 750 inch long. Compatible with big block Chevys Fords and Buicks. Set of 16. Features a washer faced smaller than standard hex head that's perfect for getting into tight spaces.
BrandMr. Gasket #ad
ManufacturerMr. Gasket #ad
Height0 Inches
Length0 Inches
Weight0.68 Pounds
Width0 Inches
Part Number2211G
Model2211G

9. Mr. Gasket

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Silver 2210G, 3/8-16X3/4 12Pc, Mr. Gasket Stainless Steel Header Bolts

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Mr. Gasket #ad - Three eighths coarse threads. 750 inch long. Designed to withstand the abuse of red hot exhaust ports and prevent leaks created by under tightened header bolts. Set of 12. Features a washer faced smaller than standard hex head that's perfect for getting into tight spaces. Compatible with Chevys Chryslers and Pontiacs.
BrandMr. Gasket #ad
ManufacturerMr. Gasket #ad
Height0 Inches
Length0 Inches
Weight0.45 Pounds
Width0 Inches
Part Number2210G
Model2210G

10. CarBole

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CarBole 3/8-16 in. Chrome Steel Exhaust Header Bolt Collector Flange Header to Muffler Bolt Kits Fasteners 3413

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CarBole #ad - Designed to prevent leaks created by under tightened header bolts. Manufacturer's Reference Part Number: 3413. Compatible with big block Chevys Fords and Buicks collector flange. Features a washer faced smaller than standard hex head that's perfect for getting into tight spaces. Washers included: yes; thread Size: 3/8-16 in. Rh. Fastener material: Steel Fastener Finish: Zinc plated. Nut material: steel nut finish: Zinc plated.
BrandCarBole #ad
ManufacturerCarBole #ad
Part NumberCB-10802009X