10/05/2026
Job Spetter sent us his brother’s 450ci LS to sort out the Valvetrain. We updated the cam and spring package to some of our stuff and made sure it was stable above 9000 rpm. This is a street car 😳 with .950+ lift. She is good to go. Valvetrain design and Dyno we have been doing since 2010 for customers and other engine shops. on board 💪 CID Heads