The first step is to install the pinion bearing and spacer to achieve the desired depth. Using a cylindrical, we gently hammered the bearing into place on the pinion. It is important to keep your ring and pinions together as you never want to mix and match these. Once used, they develop unique wear patterns and should constantly be checked for any cracks or distortions. This little Nova leaves the starting line at approximately 6,000 rpm and really puts a hurting on the ring and pinion.