Motive Gear C887355L MOGC887355L R&P 3.55 CHRYSLER 8.75 489 CAST Fits select: 1970-1974 DODGE CHALLENGER, 1970-1974 PLYMOUTH BARRACUDA

Ring and Pinion - Performance Ring And Pinion - Performance Ring And Pinion - 489 Housing - 3.55 Ratio - 39-11 Teeth - Rear 8.75 in.. Features: 8620 Material. Heat Treated. 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.