OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) Stant 875 in Stock Port

875 in Stock Port

particularly those using flat-tappet cams

debris or even vibrations which will cause a loss of power or engine damage

even though its underneath your car

OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) Stant 875 in Stock PortProduct Description: Header Stud 3 8 16 and 3 8 24 in Thread 1. 670 in Long Nuts Included Broached Steel Black Oxide Big Block Chevy Set of 16 OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.