S21-1

ENGINE 12 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 PRECISION MATCHED AND BALANCED PISTON AND GASKET KITS •Contains all the necessary components for overboring or rebuilding your top end •Features 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 BORE PISTON/ PISTON/ REPL. NO. X STROKE DISPL. SIZE GASKET KIT RING SET FITS MODEL OF CYL. (MM) (CC) (MM) KIT PART # PART # PART # ARCTIC CAT EXT 580 Mountain Cat 93, EXT 580Z 93-94, 2 75.4 x 65 581 STD - - 2889CDW Powder Special 580 96, EXT 580Z LC 93-97, ZR 580 93-97, EXT 580 96-98, EXT 580 EFI 98, EXT Deluxe 96-98, Pantera 580 96-98/01 Pantera 580 EFI 99-01 Pro-Lite, includes wrist pin. Nikasil bore. Sleeving or replating required for oversizes. EXT Triple 600 96-97, EXT Triple Touring 97-98, 3 66.5 x 57 594 1.00 - 0910-4006 - Powder Extreme 98, Triple Touring 600 99-00, ZRT 600 96-00 Pro-Lite, includes wrist pin. Nikasil bore. A Case Series OVERBORE to 680cc for: 2 83 x 62.7 680 5.00 - 0910-4010 - Powder Special 600/EFI 98-99, ZL 600 98-99, ZL 600 EFI 98-99, ZR 600 98-99, ZR 600 EFI 98-99 Pro-Lite, includes wrist pin. Nikasil bore. Cylinder sleeving required. Cylinder head machining required. NOTE: Will NOT fit ZR600 or ZL600 Carbureted 00 models. Z1 LXR 1100 07-14, Z1 Sno Pro 1100 07-12, 2 98 x 70 1056 STD 0903-0852 - - M1100 13, XF1100 13, TZ1 Touring 07-14. 12.5:1 Compression Ratio Sleeve Coated. Z1 LXR 1100 07-14, Z1 Sno Pro 1100 07-12, 2 98 x 70 1056 STD 0903-0852 - - M1100 13, XF1100 13, TZ1 Touring 07-14. 12.5:1 Compression Ratio Sleeve Coated. MOTO SKI Mirage II, 80-83, Mirage II 80-82, 2 62 x 61 368 1.00 - - 2480CD Mirage Special 80-82, Cast iron bore. POLARIS (FUJI ENGINE) Indy Trail 440 84-86, SS 440 85-86, Long Track 2 67.72 x 60 452 1.53 - - 2727CS Reverse 440 87, Long Track 440 84-90, Indy Trail Deluxe 440 93, Indy Super Sport 440 94-97, Indy XCF 97-98, Indy 440 Sport Touring 95-99, Indy Sport 440 91-99, Indy Transport 96-99 Pro-Lite, includes wrist pin. Cast iron bore. SINGLE RING. 600 Indy 84-87 liquid cooled 3 65 x 60 597 STD - - 2559CS Pro-Lite, Includes wrist pin, Cast iron bore Indy 650 RXL 91-97, Indy 650 91-96. 3 67.75 x 60 668 1.00 0903-1178 - - Must bore cases to install 2.25. 678 1.50 0903-1179 - - Pro-Lite, includes wrist pin. Cast Iron bore. Indy Ultra SE 97, Indy Ultra SKS 97, 3 66.6 x 65 680 STD SK1191 - - Indy Ultra SP 96-97, Indy Ultra SPX 97, Indy 680 Ultra 96-98, Indy Ultra Touring 98 Liquid cooled. Pro-Lite, includes wrist pin. Nikasil bore.