[mgarblik]

Originally Posted by Schurkey

https://www.enginelabs.com/engine-te...ng-head-bolts/

I just found this as well from another site: https://www.racepagesdigital.com/don...arp-fasteners/

I am never too old to learn. I guess I have been doing this wrong for 50+ years. Never a failure. Damn lucky, I guess.