Billet Aluminum Rear Drum with Input Shaft
Made as DIRECT REPLACEMENT ASSEMBLY for the ProTrans, Pro Flight transmissions
Drum is made from 7075-T6 billet aluminum
Shaft is made from 300 Maraging with a TH400 30 tooth spline & GM length
Shaft & drum weighs 3.75 lbs.
Drum is available with 904 or Powerglide clutch splines
Piston available separately part #123817PT