The Allstar Performance ALL56099 jack bolt collar is a threaded steel collar used with a weight jack bolt to set spring preload on a race car chassis. It has a 1-8 in thread, stands 1 in tall, and has a 1-9/16 in outside diameter, with a natural finish.
- Thread: 1-8 in
- Height: 1 in
- Outside diameter: 1-9/16 in
- Material: Steel
- Finish: Natural
- Sold each
FAQ
What thread size does this jack bolt collar use?
It uses a 1-8 in thread.
What are the collar's dimensions?
It stands 1 in tall with a 1-9/16 in outside diameter.
What material and finish does it have?
It is made from steel with a natural finish.
How is this collar sold?
It is sold individually, each.
What does a jack bolt collar do?
A jack bolt collar mounts to the chassis and threads onto a matching jack bolt, providing the fixed anchor point the bolt turns against to adjust spring preload.

