This ARP water pump and thermostat housing bolt kit is designed for GM LS-Series (LS1/LS2) engines. Made from chromoly with a black oxide finish, the 12-point head bolts include washers for a secure, finished install.
Specifications:
- Head: 12-Point
- Washers: Included
- Material: Chromoly
- Finish: Black Oxide
Applications:
- GM LS-Series (LS1/LS2)
FAQ
What material is this bolt kit made from?
This ARP bolt kit is made from chromoly with a black oxide finish.
Are washers included with this kit?
Yes, washers are included.
What head style is used?
This kit uses a 12-point head.
What engine platform is this kit designed for?
This kit is designed for GM LS-Series engines, including LS1 and LS2.

