The ARP 146-5001 is a High Performance Series main bolt kit for Jeep Inline-6 4.0L engines with 2-bolt main caps. Bolts use a hex head design, machined from chromoly steel with a black oxide finish.
Specifications:
- High Performance Series
- Hex head
- 2-Bolt main application
- Chromoly steel construction
- Black oxide finish
Applications:
- Jeep Inline-6 4.0L engines
FAQ
What head style do the ARP 146-5001 main bolts use?
They use a hex head design.
What material and finish are these bolts?
Chromoly steel with a black oxide finish.
Which engine does this kit fit?
Jeep Inline-6 4.0L engines.
Is this kit for 2-bolt or 4-bolt main applications?
It is designed for 2-bolt main applications.

