Anybody want some high performance aftermarket pistons?

[Jon]

How it was done eighty years ago.

Aluminum casting. A woman’s place in this large Midwest aluminum factory is on the inspection line. She’s giving a final checkup on these aluminum pistons which are destined for use by America's armed forces. Destination of the finished aluminum products is kept secret. They’ll probably end up as jeep or airplane engine parts. Aluminum Industries Inc., Cincinnati.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...n_fullsize.jpg