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PISTON RINGS
PISTON RINGS PISTON RINGS
Wiseco Ring Chart Wiseco Ring Chart
All Wiseco rings can be used in cast iron, nickel ceramic platings (Nikasil), boron composite, and Electrofusion bores.
CAUTION: With the exception of the XJ rings, Wiseco 4-stroke rings can NOT be used in chrome plated bores. Engine damage will occur.
*XJ rings are designed to be used in chrome bores.
Type Bore Range Top Ring 2nd Ring Oil Ring Type Bore Range Top Ring 2nd Ring Oil Ring
2.0mm (.078”) 2.0mm (.078”) 4mm (.118”) 1.5mm (.057”) 1.5mm (.057”) 3mm (.118”)
E Alloy steel Cast iron 3-piece oil assembly XN 96.84mm (3.8125”) Cast iron, Cast iron, 3 piece oil assembly:
reverse torsion
Stainless steel flex-vent spacer,
Phosphate coated
Ferrox coated
plasma
Chrome faced Taper faced Stainless stl. flex-vent spacer moly faced taper faced unplated rails
1.2mm (.047”) 1.5mm (.057”) 1.5mm (.057”) 3mm (.118”)
0.7mm (.028”) 2mm (.079”)
EK 96 - 98mm (3.780 - 3.858”) Alloy steel, Cast iron, 2 piece cast iron oil assembly, XP 92.01 - 96.01mm (3.663 - 3.780”) Cast iron, Cast iron, 3 piece oil assembly:
flat faced phosphate coated, phosphate coated plasma reverse torsion Stainless steel flex-vent spacer,
taper faced moly faced taper faced chrome faced rails
1.2mm (.047”) 1.2mm (.047”) Cast 3mm (.118”) 1.5mm (.057”) 1.5mm (.057”) 3mm (.118”)
GFX 93.54 - 105.61mm (3.683- 4.158”) Alloy steel, iron, phosphate 3 piece oil assembly: XQ 95 - 97.28mm (3.740 - 3.830”) Cast iron, Cast iron, 3 piece oil assembly:
coated, taper
Stainless steel flex-vent spacer,
reverse torsion
gas nitrided,
Stainless steel flex-vent spacer,
positive twist faced, under hook chrome faced rails moly faced taper faced chrome faced rails
1.5mm (.058”) 1.5mm (.058”) 1mm (.039”) 1.2mm (.047”) 2mm (.079”)
Alloy steel Cast iron 3mm (.118”) XR 85 - 94mm (3.346 - 3.701”) Alloy steel, Cast iron, 3 piece oil assembly:
GNX Gas Nitrided Phosphate coated 3-piece oil assembly ferrox coated, phosphate coated, Stainless steel flex-vent spacer,
Stainless stl. flex-vent spacer
Barel faced, Taper faced under- Chrome faced rails chrome faced taper faced chrome faced rails
positive twist hook 1.2mm (.047”) 1.5mm (.057”) 2mm (.079”)
3 piece oil assembly:
Alloy steel,
Cast iron,
062” (1/16”) .187” (3/16”) XS 95 - 104mm (3.740 - 4.094”) ferrox coated, phosphate coated, Stainless steel flex-vent spacer,
H Hi-tensile 062” (1/16”) 3-piece chrome faced taper faced chrome faced rails
Cast
Plasma
0.9mm (.035”)
0.8mm (.031”)
1.5mm (.059”)
Moly Standard Tension XU 77.00mm (3.031”) Alloy steel, Ductile iron, 3 piece oil assembly:
.062” (1/16”) 3.0mm (.118”) ferrox coated, phosphate coated, Stainless steel flex-vent spacer,
chrome faced
taper faced
chrome faced rails
HF Hi-tensile .062” (1/16”) 3-piece 1mm (.039”) 1.2mm (.047”) 2.8mm (.110”)
Cast
Plasma
Moly Standard Tension XX 75 - 100mm (2.953 - 3.937”) Stainless steel, Cast iron, 3 piece oil assembly:
phosphate
1.2mm (.047”) gas nitrided, coated, taper Stainless steel flex-vent spacer,
1.0mm (.039”) Cast iron 2.8mm (.110”) barrel faced faced, under hook nitrided rails
TX Alloy steel Phosphate coated 3-piece oil assembly 1.2mm (.047”) 1.5mm (.057”) 3mm (.118”)
Stainless stl. flex-vent spacer
Ferrox coated
Barel faced Taper faced, napier Chrome faced rails XY 95-100mm (3.740 - 3.937”) Alloy steel, Cast iron, 3 piece oil assembly:
ferrox coated,
phosphate coated,
Stainless steel flex-vent spacer,
underhook
1.2mm (.047”) 1.5mm (.057”) 3mm (.118”) chrome faced taper faced chrome faced rails
2.8mm (.110”)
1.96mm (.077”)
VA 97mm (3.819”) Alloy steel, Cast iron, 3 piece oil assembly: XL 65.09 - 67.63mm (2.563 - 2663”) Chrome faced No second ring 3 piece oil assembly:
phosphate coated,
Stainless steel spacer,
ferrox coated,
chrome faced taper faced chrome faced rails Nodular iron Stainless steel spacer,
chrome faced rails
1.2mm (.047”) 1.5mm (.057”) 2mm (.079”) 1mm (.039”) 2.8mm (.110”)
VF Alloy steel Cast iron 3-piece oil assembly: XM 65.09 - 71.50mm (2.563 - 2.815”) Alloy steel, No second ring 3 piece oil assembly:
Stainless steel spacer,
ferrox coated,
Phos. coated
Stainless stl. flex-vent spacer
Phosphate coated
Chrome faced Taper faced Chrome faced rails chrome faced chrome faced rails
.078” (5/64”) .187” (3/16”) 0.9mm (.035”) 1.5mm (.059”)
3 piece oil assembly:
Stainless steel,
VK Hi-tensile .078” (5/64”) 3-piece YB 78mm (3.071") & 80mm (3.150”) gas nitrided, No second ring Stainless steel flex-vent spacer,
Plasma
Cast
barrel faced
nitrided rails
Moly Standard Tension 0.8mm (.031”)
1.58mm (.0625”) 1.58mm (.0625”) 3.9mm (.1525”) Alloy steel, 1.5mm (.059”)
X 80.97 - 92.83mm (3.188 - 3.655”) Cast iron, Cast iron, taper 3 piece oil assembly: YC 77mm (3.031”) phosphate No second ring 3 piece oil assembly:
Stainless steel flex-vent spacer,
coated,
moly barrel
Stainless steel flex-vent spacer,
faced, reverse
faced torsion chrome faced rails chrome faced chrome faced rails
positive twist
0.8mm (.031”) 0.8mm (.031”) 1.5mm (.059”) 1mm (.039”)
XA 60 - 74.5mm (2.362-2.933”) Alloy steel, Nodular iron, 3 piece oil assembly: Alloy steel, 2mm (.079”)
ferrox coated,
phosphate coated,
Stainless steel flex-vent spacer,
phosphate
3 piece oil assembly:
chrome faced taper faced chrome faced rails YE 95mm (3.740") coated, No second ring Stainless steel flex-vent spacer,
1mm (.039”) 1.2mm (.047”) 2.8mm (.110”) chrome faced chrome faced rails
positive twist
XC 64-94mm (2.520-3.701”) Alloy steel, Cast iron, 3 piece oil assembly: .8mm (.031”) 1.5mm (.057”)
phosphate coated,
ferrox coated,
Stainless steel spacer,
chrome faced taper faced chrome faced rails YF 66mm (2.598") Alloy steel, No second ring 3 piece oil assembly:
gas nitrided,
1mm (.039”) 1.2mm (.047”) 2mm (.079”) barrel faced Stainless steel flex-vent spacer,
chrome faced rails
XD 66-68mm (2.598-2.677”) Alloy steel, Cast iron, 3 piece oil assembly: positive twist 2mm (.079”)
1.1mm (.043”)
phosphate coated,
Stainless steel spacer,
ferrox coated,
chrome faced taper faced chrome faced rails ZB 107.95mm (4.250") Ductile iron, No second ring 3 piece oil assembly:
Stainless steel flex-vent spacer,
plasma moly
1mm (.039”) 1.2mm (.047”) 2.5mm (.098”) face chrome faced rails
XE 47-59mm (1.850-2.323”) Alloy steel, Cast iron, 3 piece oil assembly: 1mm (.039”) 2.8mm (.110”)
Stainless steel spacer,
phosphate coated,
ferrox coated,
Alloy steel,
3 piece oil assembly:
chrome faced taper faced chrome faced rails ZC 89mm (3.504") & 91mm (3.583”) ferrox coated, No second ring Stainless steel spacer,
1mm (.039”) 1mm (.039”) 2mm (.079”) chrome faced chrome faced rails
XG 75-83mm (2.953-3.268”) Alloy steel, Nodular iron, 3 piece oil assembly: ZG 76mm (2.992”) 1mm (.039”) No second ring 2mm (.079”)
3 piece oil assembly:
Alloy steel,
phosphate coated,
ferrox coated,
Stainless steel flex-vent spacer,
gas nitrided taper faced chrome faced rails ferrox coated, Stainless steel flex-vent spacer,
chrome faced rails
gas nitrided
1.2mm (.047”) 1.5mm (.057”) 4mm (.057”) 3mm (.118”)
XH 95-102mm (3.740-3.977”) Alloy steel, Cast iron, 3 piece oil assembly: ZN 96.84mm (3.8125”) 1.5mm (.057”) No second ring 3 piece oil assembly:
Alloy steel,
ferrox coated,
phosphate coated,
Stainless steel spacer,
Stainless steel flex-vent spacer,
chrome faced taper faced chrome faced rails unplated face unplated rails
1.2mm (.047”) 1.5mm (.057”) 4mm (.158”) 1.2mm (.047”) 2mm (.079”)
*XJ 95mm (3.740”) Soft nitrided, Cast iron, 3 piece oil assembly: ZS 95 - 101mm (3.740 - 3.976”) Alloy steel, No second ring 3 piece oil assembly:
Stainless steel flex-vent spacer,
ferrox coated,
Stainless steel spacer,
nodular cast
phosphate coated,
iron taper faced soft nitrided rails chrome faced chrome faced rails
1.5mm (.057”) 1.5mm (.057”) 2.5mm (.098”) .95mm (.037”) 2mm (.079”)
Alloy steel,
XK 98.42 - 103.38mm (3.875 - 4.070”) Cast iron, Cast iron, 3 piece oil assembly: ZV 96 - 100mm (3.780 - 3.937") gas nitrided No second ring 3 piece oil assembly:
Stainless steel flex-vent spacer,
reverse torsion
Stainless steel flex-vent spacer,
plasma
barrel faced
moly faced taper faced chrome faced rails positive twist chrome faced rails
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