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REFERENCE
INDEX
x
X X
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629
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
CSA
2614CSA
36.96
1mm
(.039”)
44.5 - 73mm (1.752 - 2.874) Alloy steel, ferrox coated, titanium
nitride faced, 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 (for use in Chrome
Bores)
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”)
67.5 - 84mm (2.658 - 3.307)
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, phosphate
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