AFR intake rocker arm studs provide a strong, precise mount for the rocker arms on Big Block Chevy and Big Block Ford engines. Each stud uses a 7/16-14 in base thread and a 7/16-20 in top thread with a 2.000 in effective stud length, and is made from steel with a black oxide finish. They are sold as a set of 8.
Specifications:
- Type: intake rocker arm stud
- Base thread: 7/16-14 in
- Top thread: 7/16-20 in
- Effective stud length: 2.000 in
- Material: steel, black oxide finish
- Engine platform: Big Block Chevy / Big Block Ford
- Quantity: set of 8
- Part number: 6407-8
FAQ
What engines do these studs fit?
They are designed for Big Block Chevy and Big Block Ford cylinder heads.
What are the thread sizes?
The base thread is 7/16-14 in and the top thread is 7/16-20 in.
How many studs are included?
They are sold as a set of 8.

