Quick view Moser 40 Spline EXTREME Axle and Spool - Upgrade Custom Alloy EXTREME Axles 40 Spline and Spool UpgardeMOSER EXTREME AXLESIf you are looking for a hi-performance axle that can withstand the most extreme horsepower demands, look no further. The Moser Extreme is a 40 Spline, Star-Flanged, Gun-Drilled... $280.00