Steward performance has 3/8 .145 wall for $13.

https://stewardperformance.com/pushrods/

Denny Steward
stewardperformance.com
(386) 957-3879

Anyway, his pushrods have .080" oil holes, which was something I didn't want, so I went through Manton, not .145 wall, but a little over $12 each for 3/8" series 3.