Precise Purpose: Designed to provide smooth yet aggressive traction, enhancing truck or car handling and stability in demanding conditions with composite clutches, giving optimal torque distribution Perfect Fit: This diff fits Dana 60 axles with 35 splines and 4.56 & Up gear ratios, with gears cut to provide the strongest teeth possible in any terrain - an unmatched auto standard Rebuildable Design: The Dura Grip differential is fully rebuildable, allowing for easy repair, assembly, replacement, upgrades, and extended lifespan. Our diff 's are proudly assembled in the USA! Quality and Craftsmanship: Our Dura Grip differentials are constructed with high-quality materials, with forged 4320 chromoly spider gears, ensuring durability and reliability in performance Trusted Brand: Our products are known for their commitment to quality, advanced engineering techniques, and rigorous diagnostic testing - you can trust performance parts from Yukon Gear & Axle