The ARP Exhaust Header Bolt Kit uses hex-head chromoly bolts, finished in black oxide, to secure headers on Oldsmobile 330-355 V8 engines.
Specifications:
- 3/8-16 in Thread
- 0.75 in Long
- Hex Head
- Chromoly
- Black Oxide finish
- Set of 14
Applications:
- Oldsmobile 330-355 V8
FAQ
What does the ARP 180-1101 Header Bolt Kit include?
The kit includes a set of 14 chromoly header bolts sized 3/8-16 thread and 0.75 in long, with hex heads and a black oxide finish.
What material and finish are the bolts?
The bolts are made from chromoly steel and finished in black oxide for corrosion resistance and durability.
Which engines is the 180-1101 kit designed for?
This kit is designed for Oldsmobile 330-355 V8 engines.

