🔧 Upgrade Your Ride with Confidence! Includes everything you need for a seamless upgrade. Quickly replace your old gear shaft with minimal downtime. Crafted from high-quality metal for long-lasting performance. Designed for a perfect fit in GM Chevy 55P differentials. Ensure optimal performance with expert installation. Lifetime Operating Life Metal Construction 17-Spline Axle The ONE Custom Gear Shaft Assy Rx100 Oe is a high-quality standard open spider gear kit designed specifically for GM Chevy 55P differentials. Featuring a durable metal construction and a lifetime operating life, this kit includes one clutch lever and is engineered for precision fitment. Professional installation is recommended to ensure optimal performance.