Nitro Ring & Pinions are among the best in the industry.  By using better materials, machining, heat treating and lapping process, Nitro can ensure a strong, quiet running, long lasting setup.  Every new application is put through multi point inspections and actually installed and set up by Nitro's in-house differential experts to ensure excellent fitment and easy setup.  At Nitro we see strive to meet consumer demand for new ratios and applications, and we are continually developing new products to stay ahead of the competition.