Ring and Pinion Motivator; Ring And Pinion Motivator; Ring And Pinion; 8.5 in. 10 Bolt; 3.73 Ratio; A-Line; FEATURES: Motivator Value Line; Ring And Pinion Demonstrating once again just how serious they are about providing the best products available, Motive Gear unveils their new Quality Assurance Lab & Design Center. With a substantial capital investment, over 1,200 square feet of space and five dedicated employees including two engineers and an industry leading design team the lab is unparalleled in the automotive aftermarket. The lab boasts seven state of the art testing machines including a Gleason Sigma Gear Measuring Machine, a Mitutoyo USA Hardness Tester and a Mitutoyo USA Optical Comparator. In addition to taking Motive Gear to ISO Certification, the Quality Assurance Lab & Design Center will provide Motive Gear customers quality and consistency that is simply unavailable from any other aftermarket drivetrain company.