The ARP 140-5402 is a main stud kit for Small Block Mopar / B / RB-Series V8 engines with 2-bolt main caps. Studs are machined from chromoly steel with a black oxide finish and secured with 12-point nuts.
Specifications:
- 12-Point nuts
- 2-Bolt main application
- Chromoly steel construction
- Black oxide finish
Applications:
- Small Block Mopar / B / RB-Series V8 engines, 2-bolt main, all V8's
FAQ
What nut style does the ARP 140-5402 main stud kit use?
It uses 12-point nuts.
What material are the studs made from?
They are machined from chromoly steel and finished in black oxide.
Which engines does this kit fit?
Small Block Mopar / B / RB-Series V8 engines with 2-bolt main caps.
How does this kit differ from the 140-5401 main stud kit?
It uses 12-point nuts rather than hex nuts; both are otherwise 2-bolt main stud kits for the same platform.

