Mr. Gasket Header Bolts feature a washer-faced, smaller-than-standard hex head that's perfect for getting into tight spaces. Designed to withstand the abuse of red-hot exhaust ports and prevent leaks created by under-tighten...

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Mr. Gasket Header Bolts feature a washer-faced, smaller-than-standard hex head that's perfect for getting into tight spaces. Designed to withstand the abuse of red-hot exhaust ports and prevent leaks created by under-tightened header bolts, they're heat-treated Grade 5 steel, have 3/8 coarse threads and a corrosion-resistant black oxide finish, and come in sets of 12.

  • Features a washer faced smaller than standard hex head that's perfect for getting into tight spaces
  • 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
  • Three eighths coarse threads .750 inch long
  • Set of 12
  • Features a washer faced smaller than standard hex head that's perfect for getting into tight spaces
  • 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
  • Three eighths coarse threads .750 inch long
  • Set of 12

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