Nitro Gear 4.56 Ratio - 80 Series Rear

Suits 40/60 Series 9.5" Diffs Front and Rear and 80 Series Rear

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. 

Precision machining & heat treating processes ensure strength and excellent fitment.

Computer controlled fine gear lapping ensures ease of installation, excellent contact patterns and a quiet running setup.