6061-T6 Dom tubing gives the most concentric Aluminum Driveshaft available. High strength aluminum tube yokes are Mig welded with less than 10 thousands total run out. The aluminum driveshaft is balance to less than 1/4 oz/in to assure vibration free operation. Highly polished aluminum driveshafts can be ready for shipment in 48 hours in most cases. Pricing for 1310 includes most trans slip yokes - $250. 1330-1350 including trans slip yoke $399.