POLARIS REAR HYDRAULIC SLIDE SHOCK ABSORBER. GAS SHOCKS FOR SNOWMOBILE SUSPENSION - ADJUSTABLE TO MEET TRACK OR SNOW CONDITIONS. CONSISTENT OPERATION IN ALL WEATHER CONDITIONS. EYE LENGTH: EYE DIAMETER: OPEN:10-1/4" CLOSED: 7-1/8" TOP ID: 3/8" BOTTOM ID: 3/8" UPPER SPRING RETAINER: KX042955 COIL SPRING AVAIL: KX04295 ALL INDY'S 1980-96 RR70140