Feature

●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)
●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. These Use a 5/16” Allen Wrench/Socket
●We are an AS9100D and ISO 9001:2015 Certified Manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. Parts we produce fly at 30,000 feet where failure is not an option. We put the same quality into every part we produce.
●When you purchase Z Whip Parts you will always get the highest quality for your vehicle that you rightfully deserve
●Meets or Exceeds Industry Standard ASME / ANSI Specifications


Description

Dress Up Your Big Block Engine with These Stainless-steel Header bolts. These are compatible with all Chevrolet Big Block V8 Engines 1958-2000 Including 348 366 402 409 427 396 454 502 7.4L TBI Vortec running after market headers. These will not fit Factory cast iron exhaust manifolds. Comes with 16ea 3/8-16 x 1” Stainless-steel Socket cap Bolts and 16ea 3/8” Stainless-steel washers.