The ARP 140-5401 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 hex nuts.
Specifications:
- Hex 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 140-5401 main stud kit use?
It uses hex 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.
Does this kit include the nuts and washers?
Yes, it is a complete main stud kit including studs and hex nuts.

