This ARP main stud kit is designed for 4-bolt main Small Block Ford R Block engines. Made from chromoly with a black oxide finish, it uses 1/2 in studs with hex nuts for reliable main cap retention.
Specifications:
- Stud Size: 1/2 in
- Nut Style: Hex
- Main Cap Configuration: 4-Bolt Mains
- Material: Chromoly
- Finish: Black Oxide
Applications:
- Small Block Ford R Block
FAQ
What material is this main stud kit made from?
This ARP main stud kit is made from chromoly with a black oxide finish.
What size are the studs in this kit?
This kit uses 1/2 in studs.
What main cap configuration does this kit fit?
This kit is designed for 4-bolt main engine blocks.
What engine platform is this main stud kit designed for?
This kit is designed for the Small Block Ford R Block.

