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The Yukon 1541H alloy rear axle for GM 8.5‑inch trucks with 4WD is a replacement axle made from heat‑treated alloys to provide strength beyond stock components. Suited for street, towing or light off‑road use, it fits 1988–1991 GM 8.5‑inch truck 4WD applications, measures 31½ inches long, supplies 30 splines and a 6‑lug wheel pattern for compatibility with factory hubs.
Yukon Gear 1541H Alloy Rear Axle For 88-91 8.5in GM 4Wd
