ARP Hex Head Bolt - 3/8-16 in Thread - 4.250 in Long - 3/8 in 12 Point Head - Chromoly - Black Oxide (Set of 5) Racing Optics Cooler is 14-1/2" long and

Cooler is 14-1/2" long and 1-3/4" in diameter

Two-wire pigtail easily connects to a switched 12V power source and a suitable chassis ground

It's important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat

Brackets work with the standard secondary arm as well as a throttle adjust-ment-screw secondary arm

ARP Hex Head Bolt - 3/8-16 in Thread - 4.250 in Long - 3/8 in 12 Point Head - Chromoly - Black Oxide (Set of 5) Racing Optics Cooler is 14-1/2" long andProduct Description: Bolt 3 8 16 in Thread 4. 25 in Long 3 8 in 12 Point Head Chromoly Black Oxide Universal Set of 5 Since 1968, ARP is the fastener of champions and the world leader in fastener technology.