ENGINE carriers & racks bumpers & winches accessories plows & implements frame & chassis utv accessories body handlebar & grips cables & levers fuel & intake engine clutch brakes drive steering & suspension bearings chemicals tools & shop exhaust electrical & ignition tires & wheels ATV / UTV CATALOG 481 FAST SAME DAY SHIPPING Some Wiseco 4-Cycle ATV pistons have been manufactured with more than one ring type. The correct replacement ring style is stamped on the dome of the piston. EXAMPLE: 4419PS will be stamped with either a "C" or a "G" to indicate the correct replacement ring style to order. ONLY WISECO REPLACEMENT RING SETS CAN BE USED ON WISECO PISTONS. REPLACEMENT RINGS All Wiseco 4-Cycle pistons are supplied with rings, wrist pins and circlips. Only Wiseco replacement ring sets can be used on Wiseco pistons. The replacement ring type and bore size (in millimeters) is stamped on the dome of the piston. Refer to this information to reorder correct replacement rings. Ring styles cannot be interchanged. All Wiseco 2-Cycle pistons are supplied with rings and circlips. Only Wiseco replacement ring sets can be used on Wiseco pistons. The replacement ring type and bore size (in millimeters) is stamped on the dome of the piston. Refer to this information to reorder correct replacement rings. Ring styles cannot be interchanged. 2-CYCLE RINGS - MOTORCYCLE & ATV 4-CYCLE RINGS - MOTORCYCLE AND ATV APPLICATIONS One chrome-faced high temperature steel alloy, internally notched compression ring. CS CD .039" (1mm) TYPE 2 CYCLE RING DIAGRAMS DESCRIPTION APPLICATIONS Cast-iron, Nikasil and Electrofusion Liners Two chrome-faced high temperature alloy, internally notched compression rings. .039" (1mm) .039" (1mm) Cast-iron, Nikasil and Electrofusion Liners .047" (1.2mm) Two chrome-faced high temperature steel alloy, internally notched compression rings. .047" (1.2mm) Cast-iron, Nikasil and Electrofusion Liners CDM* TD TYPE 4 CYCLE REPLACEMENT RING DIAGRAMS Oil Ring: 3 piece low tension oil ring .059" (1.5mm) Top Ring: Chrome faced high temperature steel alloy - .031" (.8mm) Compression Ring: Taper faced ferrox coated ductile iron - .031" (.8mm) (soft nitriding coated sides for use in plated cylinder all applications) XC XA Oil Ring: 3 piece low tension oil ring .110" (2.8mm) Top Ring: Chrome faced high temperature steel alloy - .039" (1mm) Compression Ring: Taper faced ferrox coated cast iron - .047" (1.2mm) XD Oil Ring: 3 piece low tension oil ring .079" (2mm) Top Ring: Chrome faced high temperature steel alloy - .039" (1mm) Compression Ring: Taper faced ductile iron .047" (1.2mm) XG Oil Ring: 3 piece low tension oil ring .079" (2mm) Top Ring: Chrome faced high temperature steel alloy - .039" (1mm) Compression Ring: Taper faced ductile iron .039" (1mm) XH Oil Ring: 3 piece low tension oil ring .158" (4mm) Top Ring: Chrome faced high temperature steel alloy - .047" (1.2mm) Compression Ring: Taper faced ductile iron .059" (1.5mm) XJ Top Ring: Ductile iron soft nitriding coated top ring - .047" (1.2mm) Compression Ring: Taper faced ferrox coated iron .059" (1.5mm) Oil Ring: 3 piece low tension oil ring .158" (4mm) Oil Ring: 2.5mm (.098”) 3 piece oil assembly: Stainless steel spacer, chrome faced rails Top Ring: 1mm (.039”) Alloy steel, ferrox coated, chrome faced Compression Ring: 1.2mm (.047”) Cast Iron, phosphate coated, taper faced XE Oil Ring: 3mm (.118”) 3 piece oil assembly: Stainless steel flex-vent spacer, chrome faced rails Top Ring: 1.5mm (.057”) Cast iron, plasma moly faced Compression Ring: 1.5mm (.057”) Cast Iron, reverse torsion XP Oil Ring: 2mm (.079”) 3 piece oil assembly: Stainless steel flex-vent spacer, chrome faced rails Top Ring: 1mm (.039”) Alloy steel, ferrox coated, chrome faced Compression Ring: 1.2mm (.047”) Cast Iron, phosphate coated, taper faced XR Oil Ring: 2mm (.118”) 3 piece oil assembly: Stainless steel flexvent spacer, chrome faced rails Top Ring: 1.2mm (.047”) Alloy steel, ferrox coated, chrome faced Compression Ring: 1.2mm (.047”) Cast Iron, phosphate coated, taper faced GF Oil Ring: 2mm (.079”) 3 piece oil assembly: Stainless steel flex-vent spacer, chrome faced rails Top Ring: 1mm (.039”) Alloy steel, gas intrided flat faced No Compression Ring ZV .039" (1mm) Two ferrox coated ductile iron. internally notched compression rings. * Designed to be used in chrome bores. .039" (1mm) Cast-iron, Nikasil and Electrofusion Liners YB ZS ZC Oil Ring: 1.5mm (.059”) 3 piece oil assembly: Stainless steel flexvent spacer, nitrided rails Oil Ring: 2.8mm (.110”) 3 piece oil assembly: Stainless steel spacer, chrome faced rails Oil Ring: 2mm (.079”) 3 piece oil assembly: Stainless steel flex-vent spacer, chrome faced rails No Second Ring No Second Ring No Second Ring 78mm (3.071) & 80mm (3.150”) 0.9mm (.035”) Stainless steel, gas nitrided barrel faced 95-101mm (3.740 - 3.976”) 89mm (3.504) & 91mm (3.583”) 1.2mm (.047”) Alloy steel, ferrox coated, chrome faced 1mm (.039”) Alloy steel, ferrox coated, chrome faced XU XX Oil Ring: 1.5mm (.059”) 3 piece oil assembly: Stainless steel flexvent spacer, nitrided rails Oil Ring: 2.8mm (.110”) 3 piece oil assembly: Stainless steel flexvent spacer, nitrided rails YC ZV Oil Ring: 2mm (.079”) 3 piece oil assembly: Stainless steel flexvent spacer, chrome faced rails Oil Ring: 1.5mm (.059”) 3 piece oil assembly: Stainless steel flexvent spacer, chrome faced rails No Second Ring No Second Ring 77mm (3.031”) 96-99mm (3.780 - 3.898”) 0.8mm (.031”) Alloy steel, phosphate coated, chrome faced, positive twist .95mm (.037”) Alloy steel, gas nitrided, barrel faced, positive twist Top Ring: 0.9mm (.035”) Alloy steel, ferrox coated, chrome faced Compression Ring: 0.8mm (.031”) Ductile Iron, phosphate coated, taper faced Top Ring: 1mm (.039”) Stainless steel, gas intrided barrell faced Compression Ring: 1.2mm (.047”) Cast Iron, phosphate coated, taper faced under hook
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