The All New 40 Spline Ultimate Unit Bearing
Say hello to the all new 40 Spline Ultimate Unit Bearing. Same proven design as our existing 35 splined Ultimate Unit Bearings, but now with a 40 spline axle shaft option. Yes, it’s a big deal.
Learn more about the new 40 Spline Ultimate Unit Bearing at http://www.spidertrax.com/Ultimate-Unit-Bearing-LH-6-on-5-1-2-x-5-8-Studs-40-Spline .