AFR's rocker arm studs are steel, black oxide fasteners for Big Block Chevy applications, with a 7/16-14in base thread and 7/16-20in top thread. They're sold as a set of 8.
Specifications:
- Type: Rocker Arm Stud
- Base Thread: 7/16-14 in
- Top Thread: 7/16-20 in
- Effective Length: 2.010 in
- Material: Steel
- Finish: Black Oxide
- Platform: Big Block Chevy
- Quantity: Set of 8
- Part Number: 6406-8
Applications:
- Big Block Chevy
FAQ
What engine platform are these studs for?
They're built for the Big Block Chevy platform.
What thread sizes do they use?
A 7/16-14 in base thread and 7/16-20 in top thread.
What is the effective stud length?
2.010 in.
What material and finish do they have?
Steel with a black oxide finish.
How many come in a set?
Set of 8.

