As We All Know, SKRC Are the Kings of Traction. Where Does Traction All Begin? The Differential of Your Drivetrain! With That Being Said, the SKRC Team Has Developed What We Feel Is the Most Superior Differential System on the Market. The Highest Quality Grade 5 Ceramic Caged Thrust Bearing Will Provide You the Most Buttery Feeling and Longest Lasting Diff You Have Ever Ran!