OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) M77CB743HNDC10 and in car shows

and in car shows

Fits 2/4 wheel drive models with 4 doors only

Stable timing

and DYAD Drive System ® (DS) demonstrate the commitment to quality

Royal Purples new Max-Clean is a state-of-the-art synthetic fuel system cleaner that deeply penetrates and cleans injectors

OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.670 in Long - Broached - Big Block Chevy (Set of 16) M77CB743HNDC10 and in car showsProduct 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.