2 Responses to “Gear Ratio Equations”

1. phil kozee says:

   March 23, 2010 at 5:06 pm

   would you have products for the 348/409 motors? thanks
2. admin says:

   April 6, 2010 at 2:41 pm

   At this time we do not offer anything for the 348/409 Chevy engine!