This ARP cylinder head stud kit is built for the Nissan SR20DET 4-cylinder engine. It uses undercut studs, which reduce stress risers at the thread root for improved fatigue strength under repeated clamping cycles, paired with 12-point nuts. Studs are machined from chromoly steel and finished in black oxide for corrosion resistance.
Specifications:
- Type: Cylinder Head Stud Kit
- Nut Style: 12-Point
- Stud Design: Undercut
- Material: Chromoly Steel
- Finish: Black Oxide
- Part Number: 102-4701
Applications:
- Nissan SR20DET (4-Cylinder)
FAQ
What engine does this head stud kit fit?
This kit is designed for the Nissan SR20DET 4-cylinder engine.
What does "undercut" mean for these studs?
The stud shank is machined slightly smaller in diameter than the thread root, which reduces stress concentration and improves fatigue resistance under repeated clamping cycles.
What material are these studs made from?
They're machined from chromoly steel with a black oxide finish.
What nut style is included?
This kit uses 12-point nuts.

