RING AND PINON: Each USA Standard Gear ring and pinion set undergoes rigorous in-house quality evaluation, ensuring they pass dimensional, material, and fitment testing, proving their reliability and functionality in real-world driving situations. RATIO: With a 3.42 gear ratio, this gear set offers an ideal balance of power and torque, making it suitable for various driving conditions and performance needs. FITMENT: Specifically designed to be compatible with GM 14 Bolt Truck 10.5" differentials BUILT TO EXCEED OEM: USA Standard Gear takes pride in producing ring and pinion sets that go beyond OEM specifications, providing superior performance and durability. HIGH-QUALITY PRODUCTS: Renowned for our commitment to excellence, USA Standard Gear is a leading manufacturer of high-quality aftermarket automotive replacement parts.