BOLD MAGENTA part numbers are new for 2026 ENGINE PARTSCANADA.COM SNOW | 2026 ENGINE 325 HIGH-PERFORMANCE SNOWMOBILE PISTONS continued on next page. 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 WISECO FEATURES PRO-LITE PISTONS • Deliver durability, longevity and increased horsepower •Innovative forging design and piston skirt provide maximum horsepower and torque CIRCLIPS • Two high-strength, easy-to-install circlips are furnished with every piston REPLACEMENT RING SETS •Each ring set is for one piston NOTE: Wiseco rings fit only Wiseco pistons. TOP-END BEARINGS • Wiseco top-end bearings, OEM quality or better FORMULA FOR COMPUTING CUBIC CENTIMETER DISPLACEMENT D = Bore Size in Inches S = Stroke in Inches N = Number of Cylinders D(2) x 0.7854 x S x N x 16.387 = CC Displacement FITS MODEL BORE X STROKE (MM) NO. OF CYL. DISPL. (CC) SIZE (MM) PISTON PART # REPL. RING SET PART # REPL. CIRCLIPS PART # (PR.) TOP-END BEARING PART # ARCTIC CAT Lynx 2000S 77-80 70 1 250 STD - 2756CD CW18 B1014 x 65 Panther 370/R 01-08, Z370/ES/LX 99-07 60 2 379 - - - CW18 B1003 x 65 El Tigre 4000 76, Panther 440 80-81, Trailcat 4000 80-81, Jag 4000 81-85, Panther 440 84, Panther 440 89-90, Jag AFS 89-93, Super Jag 87-97, 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 Sno Pro 99-01. 65 2 431 STD - - CW16 B1008 x 65 El Tigre 5000 (440) 87-88, El Tigre 6000 L/C (440) 78-79, Pantera 440 85-90, Z 440 L/C 76-80 - 2 435 - - - CW18 B1014 Cheetah Touring 91-94, Cougar 436 91-94, Jag 440 LC 96, Pantera 440 92-93, Panther 440 LC 96-97, Prowler 440 LC 90-94, Prowler 440Z 93, Prowler Special LC 91-94, ZL 440 97-00, ZR 440 (436) 94-95 - 2 435 - - - CW18 B1014 ZR 440 96-98 ZR 440 Snow Ori 98-01 - 2 438 - - - CW18 B1014 ZR 440 Sno Pro 02, 440 Sno Pro L/C 03 - 2 438 - - - CW18 - Powder Special 500 EFI 00, ZL 500 98-00 ZR 500 98-00 NOTE: A Case Series. - 2 497 - - - CW20 - Cheetah 5000 76-90, Cougar 5000 85-90, El Tigre 5000 (500) 76-87, Pantera 5000 76-81, Panther 5000 76-79, El Tigre 6000 L/C (500 80/84-85 70 2 499 STD - 2756CD CW18 B1014 x 65 EXT Special 550 91, EXT 550 92-93, Cheetah 550 94, EXT EFI 550 93-94, Pantera 550 EFI 93-94, EXT 550 Mountain Cat 91-95, Prowler Two Up 95, Cougar 550 95-98, Panther 97-01, Bearcat 550 95-02, ZL 550 01-02, Pantera 550 EFI 03, ZL 550 ESR 00-03, Pantera 550 04-05 73.4 2 550 STD - - CW20 - x 65 EXT 580 96-98, EXT 580 EFI 98, EXT 580 Mountain Cat 93, EXT 580Z 93-94, EXT 580Z LC 93-97, EXT Deluxe 96-98, Pantera 580 96-98/01, Pantera 580 EFI 99-01, Powder Special 580 96, ZR 580 93-97 - 2 581 - - - CW20 -
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