The Partial USA Standard Gear SL GM8.5-30 is a performance part specifically designed for GM 8.5" 30 spline axle Spartan locker rear axles. Made by USA Standard Differential, this spool differential is a high-quality component suitable for car and truck parts and accessories. Manufactured in the United States, this product is a reliable choice for those looking for a superior replacement or upgrade for their vehicle's differential assembly. With a focus on performance and durability, this gear is a great option for enthusiasts seeking top-notch quality and craftsmanship. Exact item set is shown. New open box with original packaging in fair condition. This is missing 3 of the springs (has 4) and the retainer bolt. Set weight 6.75 lbs. Assembled in USA. No returns on installed items or partial sets. This item is new with opened or damaged packaging. It may or may not be a customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. It may show minor wear from handling. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties. This is missing 3 of the springs (has 4) and the retainer bolt. Sold As-Is, incomplete, for "repair."