ORIGINAL G M 10 SPLINE M-22 INPUT SHAFT IN VERY GOOD CONDITION ,UNTWISTED ,CHECKED FOR BEING BENT , BUT ITS BEEN MODIFIED  FOR RACING TO USE A FRONT SEAL , THIS IS A COMMON PRACTICE FOR OVAL AND DIRT TRACK RACING ,COULD BE USED IN A STREET APPLICATION BUT WOULD NEED TO RUN THE SEAL IN A OEM RETAINER ,SEAL PART# CR 11050 AND YOU WOULD NEED TO ADD A VENT TO THE CASE . ALL THE HELICAL TEETH ARE EXCELLENT SHOWING NO WEAR , SYNCHRO TEETH ARE ABOUT 90%, i DIDN'T DO THIS IT CAME TO ME LIKE THIS IN A BUNCH OF PARTS. THIS IS NOT THE SAME SEAL THAT THE NEW AUTOGEAR INPUTS USE ,CR11050 WILL FIT INSIDE A STOCK RETAINER OR AN AFTERMARKET 297-6 RETAINER  SHIPPING TO 48 STATES 13.40