Chromoly Inner Front Axle, Left Hand Dana 30, 27 Spline, 27.01ќ Long USA Standard GearPrecision, quality USA Standard Gear axles. USA Standard Gear uses precision manufacturing technologies to provide top quality, competition tough axles. 27 spline 27. 01 inch long Fits Dana Spicer 30 inch 1972 1981 Jeep CJ Left hand inner 5 760X U joint Size 4340 Chromoly 5 year warranty against Manufacturer defects Features and Benefits: Fits Dana 30 front differential 27 spline Measures 27. 01 long from end of splines to center of u joint bore Inner