OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) NRGSRK-172H Warranty WeatherTech MudFlaps are guaranteed

Warranty WeatherTech MudFlaps are guaranteed against faulty materials and workmanship for a period of three years from the date of purchase

042 " Hole Size Straight Type Includes 2 Gasket

Holley 4500 / Quick Fuel Carburetor

Brodix 8x / 10x / 11x / ASCS Spec

OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) NRGSRK-172H Warranty WeatherTech MudFlaps are guaranteedProduct 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.