perfect circle rings any one know of the company????

[Xowner]

i need a set of rings for my atc 90 big bore kit and called power roll they gave me a 70841-o30 part number for a perfect circle ring company and i cant find a set all the local parts house say they were bought out by someone and the part numbers are diffrent now any help?

Thanks

[arkantrike]

Remembering from back in my drag racing days - I think Perfect Circle rings were used with Speed Pro brand pistons. Hope that helps.

[arkantrike]

Your question made me curious. They still have a website.

http://engineparts.com/products/Rings.html[/url]

[Xowner]

ok i found that site but it doesnt help me with the older part numbers also what is 2mm is thousands?

[Jeb]

2mm = .0787 in.


-or-

78 THOUSANDTHS and 7 TENTHS


If you round up, 2mm is about .080


:D

[Derrick Adams]

Perfect Circle Rings is owned by Dana Corporation.