Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement. Fits Chrysler 8.25'' standard open differential with 29 spline axles.Yukon spider gear sets and clutch kits are manufactured to meet or exceed OE spefications for years of long life. 8.25in. CHY 29spl (1.720in. S/G Jrnl; ONLY fits 97/ Up case) STD SPIDER SET