Dynatech® 12 point header bolts for any type of heads.
ARP 12 point head bolt kit, 3/8"-16 x .750" UHC. Includes washers. Uses 3/8" 12 pt. socket. 170,000 PSI.
Standard bolts for headers for most makes of heads. Heat treated steel.
These bolts feature an Allen head type. They are perfect for headers and work well for other applications also. Allen Head header bolts have 3/8"-16 X 3/4" long threads.