This ARP main stud kit replaces the factory main cap bolts on a Toyota JZ-Series engine with 2-bolt mains, using 12-point nuts for consistent clamping and easier torque control. It's machined from chromoly steel with a black oxide finish.
Specifications:
- 12-Point Nuts
- 2-Bolt Mains
- Chromoly Construction
- Black Oxide Finish
- Kit
Applications:
- Toyota JZ-Series
FAQ
What engine does this kit fit?
It's designed for the Toyota JZ-Series engine.
What main cap configuration is it for?
It's for 2-bolt mains.
What type of nuts are included?
It uses 12-point nuts.
What is it made of?
It's machined from chromoly steel with a black oxide finish.

