THE 212600 WAS THE COMET CLUTCH THAT CAME UNCALIPRATED. NO SPRING OR WEIGHTS. THIS COMET WAS NOT FOR THE 1980 SRX. REASON BEING BECAUSE THE CORRECT COMET FOR THE 1980 SRX HAS A COLLAR BEHIND INSIDE PRIMARY FOR OIL INJECTION DRIVE GEAR ON THE 80 SRX. THATS THE DEFFERENCE YOU HEARD. 3:16 (tony)