If you are looking for a Hi-Performance axle that can withstand the most extreme horsepower demands, look no further. The Moser Extreme is a 33 or 35 Spline, Gun-Drilled & PRO-Flanged Axle manufactured with premium quality Alloy steel, forged from Moser Engineering designed tooling and induction heat-treated in our facilities to optimize torsional strength, and is 100% magnfluxed. The axles feature a shaft size of 1.500" (35 Spline) and 1.405" (33 Spline) and 1.533 or 1.565 bearing seats to cover all your options and needs. the Moser Extreme performance axle is made to with stand tremendous horsepower, which enables the serious racer the ability to upgrade to a bigger premium shaft and not add the extra weight. The Moser Pro Extreme can be splined to fit any manufactures spool and carriers a standard 10-year replacement policy