The Yukon Gear & Axle 5-lug conversion kit for 1963–1964 GM 12-bolt trucks includes two replacement axles, axle bearings and seals, a 30-spline spider gear kit, brake drums and studs to convert a 12-bolt rear to a five-lug hub pattern. Yukon supplies heavy-duty replacement and performance axle components using high-quality alloys and heat-treat processes suitable for street, towing or off-road upgrades where a 5-lug conversion is required.
Yukon Gear 63-64 GM 12-bolt Truck 5 Lug Conversion Kit