Yukon 4340 Chrome-Moly left hand inner axle for ’79-’87 GM 8.5″ Blazer and truck, uses 5-760X U/J

Yukon Gear and Axle manufactures the highest quality and widest selection of performance axles in the market. Yukon uses the latest in heat treatment technology and high quality alloys to maintain our competitive edge. In-house engineering and quality labs ensure every axle is of the highest strength and standards for track racing, boulder climbing, desert racing, sled pulling, or whatever moves you forward. Yukon?s 4340 chromoly axles are up to 37% stronger than other aftermarket axles and come with a lifetime warranty.

Fits 1979-1987 GM half ton front with GM 8.5″

4340 Chromoly

4340 Chromoly

28 spline

35.46″ from end of splines to center of u-joint bore

This axle is larger in diameter than stock 28 spline axles. You will need to purchase carrier case part number YC G26010481 in order to use these axles.