Here is the list of usable clutches from the Polaris online fiche, and it did not find your part number looked this one up by year and sled.
USAGE : 1322520
Year Product Model Assembly
2008 SNO 600/700 IQ DRAGON/700 IQ/600 IQ LX/EURO ALL OPTIONS DRIVE TRAIN, PRIMARY CLUTCH - S08PD6/PB6/PB7/PP6/PP7 ALL OPTIONS
2008 SNO 700 RMK EARLY PROD DRIVE TRAIN, PRIMARY CLUTCH - S08PL7JS
2008 SNO 600 RMK 155/700 RMK 155/163 ALL OPTIONS DRIVE TRAIN, PRIMARY CLUTCH - S08PM6/PM7/PG7/PH7
2008 SNO 600/700 SWITCHBACK/DRAGON SWITCHBACK ALL OPTIONS DRIVE TRAIN, PRIMARY CLUTCH - S08PR6/PS6/PR7/PS7
2007 SNO 700 CLEANFIRE DRAGON/EURO CLUTCH, DRIVE - S07PC7JS/JE
2007 SNO DRAGON RMK/INTL CLUTCH, DRIVE - S07PL7JS/JE
2006 SNO 700/900 FUSION F/O DRIVE CLUTCH - S06MP7HS/HSA/HSB/ME7HS/MP8DS/DSA/DSB/ME8DS
2006 SNO 700 CLASSIC DRIVE CLUTCH - S06PD7HS
2006 SNO 700/900 RMK DRIVE CLUTCH - S06PK7/PL7/PM7/PL8/PM8/PN8/PR8 ALL OPTIONS
2006 SNO 900 SWITCHBACK DRIVE CLUTCH - S06PS8DS/DSA
2006 SNO 700 HO TOURING DRIVE CLUTCH - S06PT7HS
2005 SNO 900 FUSION DRIVE CLUTCH - S05MP8DS/DSA/DSB/DSC