This ARP thermostat housing bolt kit is built for GM LS-Series engines, machined from chromoly with a 6 mm x 1.0 male thread, 20 mm length, hex head, and black oxide finish, sold as a pair.
Specifications:
- Type: Thermostat Housing Bolt Kit
- Thread: 6 mm x 1.0 Male Thread
- Length: 20 mm
- Head Style: Hex Head
- Material: Chromoly
- Finish: Black Oxide
- Quantity: Pair
- Part Number: 134-7402
Applications:
- GM LS-Series engines
FAQ
What engines does this thermostat housing bolt kit fit?
This kit is designed for GM LS-Series engines.
What are the bolt dimensions?
The bolts use a 6 mm x 1.0 male thread and are 20 mm long, with a hex head.
How many bolts are in this kit?
This kit is sold as a pair.

