This ARP header stud kit includes sixteen 3/8 in diameter studs measuring 1.67 in long, paired with hex nuts. Studs are machined from chromoly steel and finished in black oxide for corrosion resistance. It's built for Big Block Chevy header installations.
Specifications:
- Type: Header Stud Kit
- Diameter: 3/8 in
- Length: 1.67 in OAL
- Nut Style: Hex
- Material: Chromoly Steel
- Finish: Black Oxide
- Quantity: Set of 16
- Part Number: 100-1413
Applications:
- Big Block Chevy
FAQ
What engines does this header stud kit fit?
This kit is designed for Big Block Chevy applications.
Why use studs instead of bolts for headers?
Studs thread permanently into the block and use a nut to clamp the header, which distributes clamping load more evenly and reduces the risk of stripped threads from repeated bolt removal.
What nut style is included?
This kit uses hex nuts.
How many studs are included?
This kit includes a set of 16 studs.

