ARP Stainless Steel Header Bolt Kit - 12-Point - 5/16" Wrench - 3/8"-16 - 1.000" Length - Set of 12 BR40022 570 exhaust valves these heads

570 exhaust valves these heads move massive amounts of air

Aluminum clevises have 1/2" inside spacing with 3/8" mounting holes and 3/8"-24 RH threads to connect Allstar and most other shifters to Bert transmission

This means with long deadtimes

1971-1973 Dodge B100 Van

Wrap Around or Bolt-in Mounting

ARP Stainless Steel Header Bolt Kit - 12-Point - 5/16" Wrench - 3/8"-16 - 1.000" Length - Set of 12 BR40022 570 exhaust valves these headsARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. What's more, thecompact 12 point nut lets you easily slip a socket close to the pipe. Each ARP accessory stud or bolt kit includes the specific number of parts for your