BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | SNOW ENGINE ENGINE 566 PISTON KITS •Forged from aerospace-grade aluminum alloys and heat-treated for strength and durability using Wossner’s state-of-the-art heat treatment process •CNC-machined using MAZAK® advanced technology maintaining high precision and accuracy through every machining step •Reduced product distortion and variability • Enhanced piston pin oiling slots, radial boss machining and annular grooves for improved wrist pin lubrication •Piston skirt profile and camming are specifically tailored to each application for reduced friction, smooth operation and reduced noise from rockover •Piston skirts are coated for reduced friction and improved break in performance •Select applications have coating treatments to protect from harsh tuning environments •Piston rings are made from premium alloy steel and feature treatments to improve ring seal and extend wear life • Kits include piston, piston rings, piston pin and retaining clips •Kits are standard except where noted 4-STROKE KITS •Crown options available for stock and altered compression ratios •Ring land treatments for improved ring seal and oil control, as well as gas porting on featured applications for the strongest compression ring seal 2-STROKE KITS •Offered in standard graded sizes as well as oversizes for select applications • Optimized machining for lightness, as well as maintaining strength in key areas such as crown and skirt wall cross sections •External machining optimized to prevent port venting for extreme applications with race porting 1 Premium Plus series. FITS MODEL BORE SIZE (MM) PISTON SIZE (MM) OVERSIZE COMPRESSION HEIGHT (MM) STROKE (MM) PART # REPLACEMENT RING SET ARCTIC CAT Jag AFS 89-93 65.00 64.89 STD 32.2 65.0 - 0912-0723 El Tigre 6000 500 L/C 80-81, 84-85 70.00 69.89 STD 32.3 65 0910-6283 - 593 engine type 00-07,Adventure 600 06, Enduro RER 600 02, Enduro SP 600 00-02, Grand Touring 600 01-02, Ranger 600 04-06, Ranger LCE 600 03, Rave 600 06, ST 600 07-07, Super Touring/5 900 ST 600 01-03 76.00 75.87 STD 30.2 65.8 0910-6333 - 593 HO engine type 03-12,Adventure 600 06-08, Commander 600 E-TEC 12-13, Enduro 600 HO SDI 03-05, Grand Touring 600 SDI 09-10, Ranger 600 E-TEC 09-11, Rave 600 06-08, Rave 600 E-TEC 09-12, Rave RE 600 07-08, SC 600 SDI 09-10, SP 600 03-05, Sport Touring 600 03-05, XTrim 600 06-08, XTrim Commander 600 09-11, XTrim 600 E-TEC 12-13,Yeti 600 SDI 06-08 72.00 71.86 STD 33.0 73.0 0910-6336 0912-0881 C-TEC2 600 14-21 73.80 73.68 STD 37.9 70.0 0910-6294 - 600 HO E-TEC engine type 08, Rave RS 600 08 72.00 71.86 STD 32.9 73.0 0910-6335 Mountain Cat 600/600 EFI/VEV/EFI LE 01-04, Pantera 600 EFI 04-05, Pantera 600 EFI ESR 02-03, Power Special 600 LE/EFI LE/2K 00, Powder Special 600/EFI 00, ZL 600/EFI/EFI SS 00-03, ZR 600/EFI/EFI CC/LE/VEV/2K/Reverse 00-02 78.00 77.88 STD 30.2 62.7 0910-6291 - 600 Sno Pro 09-16, ZR 6000 Sno Pro 14-16, ZR 6000 R SX 15-16 73.80 73.68 STD 38.0 70.0 0910-6293 - EXT Triple 600 96-97, Powder Extreme 98,Triple Touring 600 99-00 66.50 66.37 STD 28.5 57.0 0910-6287 0912-0729 67.00 66.87 0.50 - - - 0912-0729 67.50 67.37 1.00 - - - 0912-0730 670 engine type 94-00, Grand Touring 670 97, Grand Touring 700 00, Grand Touring Royal 670 98-99, Rave 670 94-97, Rave 670 Big Pipe 98-99, Rave Special 670 00 78.00 77.88 STD 32.9 70.0 0910-6338 - Mountain Cat 700 91-93, Mountain Cat 700 EFI 91-96, Powder Special 700 99-00,Wild Cat 700 91-96, ZL 700 00, ZR 700 99-00/94-96 81.00 80.86 STD 34.0 68.0 0910-6295 - Mountain Cat 800/EFI 01-04, Mountain Cat 800 LE 01, Pantera 800 EFI 02-04, Pantera 800 EFI ESR 02-03, ZL 800 EFI ESR/EFI SS 02-03, ZL 800 01, ZR 800 01, ZR 800 EFI Sno Pro 03 81.00 80.86 STD 33.1 76.0 0910-6296 - 86.00 85.86 5.00 - - - 0912-0880 800R engine type 08-13, BoonDocker 800R 11, BoonDocker 800R E-TEC 12-13, GLS 3300 13, Rave 800R 08-11, Rave 800R E-TEC 12-13, Xtrim 800R 08-10 82.00 81.86 STD 38.1 75.7 0910-6344 - 800R engine type 13-14, BoonDocker/Rave 800R E-TEC 13-14, Rave GLS 800 E-TEC 13, Xtrim Commander/ER E-TEC 800 13 82.00 81.86 STD 38.0 75.7 0910-6346 - 82.50 82.36 0.50 - - 0910-6347 - 85.00 84.86 3.00 - - - 0912-0882 CF8 10-11, F8 10-13, M8/M800/M8000 10-17, XF8/XF800/XF8000 12-16, ZR 8000 14-17 85.00 84.87 STD 38.0 70.0 0910-66661 0912-0882 CF8/Sno Pro/LE Sno Pro 09, CFR8/LE 09, Crossfire 800 EFI/EFI Sno Pro 07-08, F8 EFI/EFI LXR/EFI Sno Pro 07-09, M8/Sno Pro/LE Sno Pro 09, M8 EFI 07-08 85.00 84.87 STD 38.0 70.0 0910-6298 0912-0882 CF8 10-11, F8 10-13, M8/M800/M8000 10-17, XF8/XF800/XF8000 12-16, ZR 8000 14-17 85.00 84.87 STD 38.0 70.0 0910-6299 0912-0882 C-TEC 800 18-19, M 8000 Mountain Cat/Sno Pro 18-19, XF 8000 Cross Country/High Country 18-19, ZR 8000 Sno Pro 18-19 85.00 84.86 STD 38.0 70.0 0910-6300 0912-0882 Thunder Cat 900 93-97 76.50 76.37 STD 32.4 65.0 0910-6302 - M 9000 King Cat 17-19, XF 9000 Cross Country/Crosstrek/H igh Country 17-19, ZR 900 Thunder Cat 17-22 80.00 79.93 STD 27.5 66.2 - 0912-0851 Pantera 1000 00-01,Thunder Cat 98-01,Thunder Cat MC 98-00,Thunder Cat THC 00 81.00 80.86 STD 32.2 64.6 0910-6303 85.00 84.86 4.00 - - - 0912-0882 0910-6283
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