Yukon Gear 4340 Chrome Moly Alloy Left Hand Rear Axle For Model 35 Heavy Duty (Drum Brakes)Yukon 4340 Chrome Moly alloy left hand rear axle for Model 35 heavy duty (drum brakes) with a 54 tooth; 2. 7in. ABS ring. axle has a length of 30 11 16in. in. es and 27 splines. Yukon 4340 Chrome Moly alloy axles offer a strength increase over stock while retaining a low cost. Yukon 4340 Chrome Moly alloy rear axles come with a limited lifetime warranty against manufacturing defects. This is a C clip axle. This Part Fits: Year Make Model Submodel 1990