Valve Spring Tech Specs and What you Need to know - PAC Racing Springs
Class is in session as Marty Zimmerman gives you a deep dive into the world of PAC valve springs. He's talking lift, height gauges, RPM, coil bind, solid height and much more.
Class is in session as Marty Zimmerman gives you a deep dive into the world of PAC valve springs. He's talking lift, height gauges, RPM, coil bind, solid height and much more.