The Allstar Performance ALL56066 jack bolt is a threaded steel bolt used in a weight jack system to adjust spring preload and chassis corner weight on a race car. It uses a 1-8 in coarse thread and measures 8 in long, with a cadmium finish.
- Thread: 1-8 in coarse
- Length: 8 in
- Material: Steel
- Finish: Cadmium
- Sold each
FAQ
What thread size does this jack bolt use?
It uses a 1-8 in coarse thread.
How long is this jack bolt?
It measures 8 in long.
What material and finish does it have?
It is made from steel with a cadmium finish.
How is this jack bolt sold?
It is sold individually, each.
What is a weight jack bolt used for?
A weight jack bolt threads through a jack plate or collar mounted on a race car chassis spring perch, allowing the spring preload and corner weight to be adjusted by turning the bolt.

