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622
RING BUYERS GUIDE
All Pistons manufactured by Wiseco after May 1, 1992 have the Piston Part Number,
Replacement Ring Type and Overbore Size (in millimeters) stamped on the dome of the piston.
*
CSM and CDM rings are designed to be used in chrome bores
Type
List
Bore Range
Top Ring
Second Ring
Oil Ring
4-STROKE RINGS
XA
2913XA 35.95
60-74.5mm
(2.362-2.933")
0.8mm (.031”) Alloy
steel ferrox coated
chrome faced
0.8mm (.031”) Cast
iron phosphate
coated taper faced
1.5mm (.059”) 3 piece oil assembly:
Stainless steel flex-vent spacer
chrome faced rails
XG
3110XG 32.95
75-83mm
(2.953-3.268")
1mm (.039”) Alloy steel
ferrox coated chrome
faced
1mm (.039”) Cast
iron phosphate
coated taper faced
2mm (.079”) 3 piece oil assembly:
Stainless steel spacer chrome
faced rails
Type
List
Thickness
Bore Range
Description
2 STROKE RINGS
CS
2126CS $17.28
1mm
(.039”)
39-74mm (1.535-2.913”)
Alloy steel, ferrox coated, chrome faced, internally
notched
CST
2126CST 17.28
1mm
(.039”)
54mm (2.126”)
Alloy steel, ferrox coated, chrome plated, internally
notched
CD
2614CD 34.55
1mm
(.039”)
1mm (.039”)
39-74mm (1.535-2.913”)
Alloy steel, ferrox coated, chrome plated, internally
notched
*CDM 2756CDM 34.55
1mm
(.039”)
1mm (.039”)
39-73mm (1.535-2.874”) *(for use in
chrome bores)
Nodular iron, phospate coated, internally notched
TC
3012TC 17.90
1.2mm
(.047”)
74.25-91mm (2.923-3.583”)
Alloy steel, ferrox coated, chrome plated, internally
notched
TD
3071TD 35.77
1.2mm
(.047”)
1.2mm
(.047”)
74.25-91mm (2.923-3.583”)
Alloy steel, ferrox coated, chrome plated, internally
notched
TDW
2945TDW 35.77
1.2mm
(.047”)
1.2mm
(.047”)
74.8-81mm (2.945-3.189”) (for 2.04mm
knock pin)
Alloy steel, ferrox coated, chrome plated, internally
notched
LK
3110LK 45.67
2.0mm
(.079”)
64.5-80mm (2.539-3.150”)
LK ring package contains 1 LT ring and 1 flat ring.The
flat ring will be a CS style for bore sizes up to 74mm;
TC style for 74.25mm bores and larger
LF
8250LF
63.94
2.0mm
(.079”)
2.0mm
(.079”)
81-84mm (3.189-3.307”)
The LF ring package contains 1 nodular iron,
phosphate coated, chrome faced, internally notched,
half-keystone, Dykes L” top ring and 1 cast iron, phos-
phate coated, internally notched second ring
KA
3071KA 17.90
1.5mm
(.059”)
55.57-98mm (2.188-3.858”)
Alloy steel, ferrox coated, chrome faced, side
notched, half-keystone
KD
3347KD 30.85
1.5mm
(.059”)
1.5mm
(.059”)
55.57-98mm (2.188-3.858”)
Alloy steel, ferrox coated, chrome faced, side
notched, half-keystone
KE
6500KE
20.95
1.2mm
(.047”)
1.2mm
(.047”)
65-66.5mm (2.559-2.618”)
Alloy steel, ferrox coated, chrome faced, back
notched, half keystone
KF
6650KF
35.47
1.2mm
(.047”)
1.2mm
(.047”)
65-66.5mm (2.559-2.618”)
Alloy steel, ferrox coated, chrome faced, internally
notched, half keystone
ENGINE