BOLD MAGENTA part numbers are new for 2023 PARTS-UNLIMITED.COM 2023 | SNOW ENGINE 572 HIGH-PERFORMANCE SNOWMOBILE PISTONS • Forged from high-silicon alloy for maximum strength and dependability • Wiseco offers a complete range of popular piston models and years for both trail and racing applications • All Wiseco pistons are priced with rings and circlips • See price list on pages 582-583 WISECO FEATURES PRO-LITE PISTONS • Deliver durability, longevity and increased horsepower • Innovative forging design and piston skirt provide maximum horsepower and torque PRECISION MATCHED AND BALANCED PISTON AND GASKET KITS • Contain all the necessary components for overboring or rebuilding your top end • Feature forged pistons, rings, wrist pins, circlips and top end gasket set • Cylinder sleeves must be purchased separately FORMULA FOR COMPUTING CUBIC CENTIMETER DISPLACEMENT D = Bore Size in Inches S = Stroke in Inches N = Number of Cylinders D(2) x .7854 x S x N x 16.387 = CC Displacement FITS MODEL NO. OF CYL. BORE X STROKE (MM) DISPL. (CC) SIZE (MM) PISTON/ GASKET KIT PART # PISTON PART # REPL. RING SET PART # REPL.WRIST PIN REPL. CIRCLIPS TOP END BEARING ARCTIC CAT Panther 370 01-08, Panther 370R 03-06, 2 60 367 STD 0903-1246 0910-4038 - - CW18 B1003 Z370 99-07, Z370ES 00-03, Z370LX 04-07 x 373 0.50 - 0910-4039 - 65 379 1.00 0903-1247 0910-4040 - EXT 440 71, EXT Special 440 71, Puma Mod 440A 2 68 436 STD - 2084M06800 2677CDM S-259 CW16 B1021 71, Puma 440 71-73, Lynx II 440 74,VIP440 74, x 0.25 - - 2687CD Cheetah 440 72-75, Pantera 440 75, Panther 440 60 0.50 - - 2697CD 71-75,T1A440F2 71-75,T1A440S1 71-75,T1B440S 1.00 - - 2717CD 71-75,T7A440RX 71-75,T7C440FR2 71-75 Pro-Lite, includes wrist pin. Chrome bore – 2677CDM rings required for standard bore. Sleeving or replating required for oversizes. Lynx 2000S, 77-80 1 70 250 STD - 2286M07000 2756CD S-513 CW18 B1014 Nikasil Bore. Sleeving or x replating required for oversizes. 65 El Tigre 4000 76, Panther 440 80-81,Trailcat 4000 2 65 431 STD - 2300M06500 2559CD S-486 CW16 B1008 80-81, Jag 4000 81-85, Panther 440 84, Panther x 440 89-90, Jag AFS 89-93, Super Jag 87-97, 65 Bearcat 440 93-98, Z 440 95-98, Jag 440 87-99, Jag 440 Deluxe 99, Bearcat 440 I, II 99-00, Panther 440 93-01 Nikasil Bore. NOTE: Will not fit Z440 or Z440 Snow Pro 99-01. Pantera 440 92-93, Prowler 440Z 93, Cheetah 2 68 436 STD SK-1085 2332M06800 2677CD S-513 CW18 B1014 Touring 91-94, Cougar 436 91-94, Prowler 440 x LC 90-94, Prowler Special LC 91-94, (436) 60 ZR 440 94-95, Jag 440 LC 96, Panther 440 LC 96-97, ZL 440 97-00 Nikasil bore. Pro-Lite, includes wrist pin ZR 440 96-98 (98- Consumer Model). 2 66.5 438 STD SK1260 2390M06650 2618CD S-511X CW18 B1014 Pro-Lite, includes wrist pin. Nikasil bore x 63 ZR 440 99-01 Sno-Pro 2 66.5 438 STD SK1308 2418M06650 2618CD S-511X CW18 B1014 Nikasil bore x 63 ZR 440 Sno Pro 02-03 2 66.5 438 STD 0903-0080 0910-0557 - - CW18 - Nikasil Bore x Pro-lite 63 Electra Coated 500 Sno Pro 10-14, CRF5 EFI T 09, Crossfire 500 EFI 07-08, 2 71 499 STD 0903-0081 0910-0558 - - - - Firecat 500 03-06, F5 EFI/LXR 07-09, F5 LXR 10-13, x M5/EFI 05-06, Sabercat 500 04-06 (all),T500 08, 63 T500 Touring 09, ZR 4000 15-17 Nikasil Bore, Pro-Lite. A Case Series 2 71 497 STD SK1261 2393M07100 - S-512X CW20 B1024 Powder Special 500 EFI 00, x ZL 500 98-00, ZR 500 98-00 62.7 Pro-Lite, includes wrist pin. Nikasil bore, Pro-Lite. Cheetah 5000 76-78, El Tigre 5000 (500) 76-78, 2 70 499 STD - 2286M07000 2756CD S-513 CW18 B1014 Panther 5000 76-79, Pantera 500 76-81, Cheetah x 5000 86-90, Cougar 5000 85-90 65 Nikasil bore. El Tigre 6000 L/C (530) 86-90 2 72 529 STD - - 2835CD S-511X CW18 B1014 Pro-Lite, includes wrist pin Nikasil bore. x 65
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