"I HAVE A RARE PONTIAC TRANSMISSION M20 FOR A CATALINA OR GRAND PRIX FULL SIZE CAR THAT USED THE LONG TAILSHAFT TRANSMISSION.THEY WERE USED FROM HALF WAY THROUGH 1964 AND UP TILL AT LEAST 1968 AND MAYBE LONGER.THIS TRANSMISSION WOULD BE CORRECT #S FOR 66 AND 67.IT HAS A #3885010 CASE USED IN THE 66 AND 67 CARS.IT WOULD FIT ANY OF THE OTHER APPLICATIONS AS WELL BUT WOULDNT BE NUMBERS CORRECT.IT HAS ALL NEW BEARINGS,SYNCROS,NEEDLE ROLLERS AND THRUST WASHERS,SHIFTER KEYS AND ALL SEALS AND GASKETS.ALL ENGAGEMENT TEETH ARE LIKE NEW AND ALL OTHER COMPONENTS ARE NICE AND TIGHT.VERY NICE RARE TRANSMISSION.FIRST $1200 TAKES IT .I AM ALSO WORKING ON ONE OF THESE WITH A 3851325 CASE.IT WILL BE CORRECT #S FOR A 64 AND 65 PONTIAC FULL SIZE WITH THE LONG TAILSHAFT.IT WILL BE COMPLETELY DONE THE SAME AS THE OTHER ONE.FIRST $1200 TAKES IT ALSO.VIC 250 443 1964