🔧 Unlock Your Ride's Potential! Backed by a 5-year warranty against manufacturer defects, because we stand by our quality. Crafted from high-grade 9310 steel, ensuring longevity and resilience. Heat treated and precision cut teeth for optimal performance under pressure. Experience effortless drop-in installation for a hassle-free upgrade. Fits a wide range of classic vehicles, from Chevy to Jeep, enhancing your ride. 9310 Steel Heat Treated 5 Year Warranty The USA Standard Gear Spartan Locker for Dana 44 is a high-performance locking differential designed for 30 spline axles. Made from durable 9310 steel, it features heat-treated precision cut teeth for enhanced strength and reliability. This locker is compatible with a variety of classic vehicles, ensuring a perfect fit for your off-road adventures, and comes with a 5-year warranty for added assurance.