OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.675 in Long - Broached - Small Block Chevy (Case of 12) AEB8B743HXXDC-STD the BSR Series of rockers

the BSR Series of rockers improves valve train dynamics by increasing valve train stiffness

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OptiTorque Header Stud - 3/8-16 and 3/8-24 in Thread - 1.675 in Long - Broached - Small Block Chevy (Case of 12) AEB8B743HXXDC-STD the BSR Series of rockersProduct Description: Header Stud 3 8 16 and 3 8 24 in Thread 1. 675 in Long Nuts Included Broached Steel Black Oxide Small Block Chevy Set of 12 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.