5
RING DIMENSIONS
D-wall: A specification established by the Society
of Automotive Engineers (S.A.E.) that dictates the
radial width of a standard automotive piston ring by
the use of the following formula; Bore diameter 22 radial thickness. (4.000" 22=.182")
5
7
9
11
10
6
1
2
3
4
8
1. Free Gap: The end gap clearance
when the ring is not compressed
2. End Gap: The end gap clearance
when the ring is compressed
to the bore diameter
3. Inside Diameter: The inside diameter
of the ring at bore diameter
4. Outside Diameter: The outside
diameter of the ring at bore diameter
5. Ring Axial Sides: The top and
bottom surfaces of the ring
6. Torsional Twist: The installed position
of the ring due to a chamfered area on
either ring side that helps the ring
cross-seal
7. Ring Face: The section of the ring
that contacts the cylinder wall
8. Back Clearance: Distance between
the inside diameter of the ring and
the back of the ring groove when the
ring is flu
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9
Part #
Bore Range
Radial
Part #
Bore Range
Radial
Part #
Bore Range
Radial
3000-122
2.999-3.039
.122
3040-122
3.040-3.070
.122
3071-122
3.071-3.101
.122
3102-122
3.102-3.132
.122
3133-122
3.133-3.163
.122
3164-122
3.164-3.184
.122
3187-132
3.185-3.249
.132
3267-122
3.266-3.307
.122
3308-122
3.308-3.344
.122
3346-122
3.345-3.386
.122
3390-122
3.387-3.410
.122
3425-122
3.424-3.465
.122
3466-122
3.466-3.497
.122
3500-142
3.498-3.559
.142
3562-162
3.560-3.622
.162
3625-162
3.622-3.680
.162
3681-173
3.681-3.711
.173
3712-173
3.712-3.747
.173
3750-162
3.748-3.809
.162
3812-173
3.810-3.874
.173
3875-173
3.875-3.904
.173
3905-173
3.905-3.934
.173
3935-173
3.935-3.959
.173
3960-173
3.960-3.998
.173
4000-183
3.999-4.029
.183
4030-183
4.030-4.059
.183
4060-183
4.060-4.079
.183
4080-183
4.080-4.119
.183
4125-183
4.120-4.154
.183
4155-183
4.155-4.184
.183
4185-183
4.1
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13
Top Oil
Ring Rail
Oil Ring
Bottom Oil
Ring Rail
Rail Notch
Oil Drain
Back
Figure 6
Example: Subaru
Top of Engine
Figure 7
Rail End Gaps
Locate End Gap Here
Top View
Wrist Pin
Rail
Wrist Pin
Side View
Rotational
Locking
Detent
Axial
Clearance
.001"-.002"
Back Clearance
.005" min.
When ring is contacting the
back of the groove, the ring
face must not protrude
past the piston lands
axial clearance less than .001"
requires top ring groove coating
Radial Width
Axial Height
Engine Front
Bottom Oil
Ring Rail Gap
Wrist Pin
Centerline
Top
Compression
Ring Gap
Oil Ring
Expander
Gap Range
2nd
Compression
Ring Gap
Top Oil
Ring Rail Gap
Detent
RING INSTALLATION
Check each ring in its corresponding piston groove to ensure
proper axial and radial clearance (fig. 1 2)
Always install Pro Seal rings with indicator marks facing up
(Sportsman rings without indicator should be installed as
shown in fig. 3)
Always use a ring expande
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17
PART NUMBER LEGEND
J10008-4000-5
H34000-0316FCUF
Oil Tension
in Pounds
Code
Oil Tension
in Pounds
Code
OIL RING TENSION CODE LEGEND
MATERIAL CODES
COATING CODES
OIL RING PART NUMBER BREAKDOWN
S14000-5-116DMB
TOP RING PART NUMBER BREAKDOWN
P24000-5-116IPT
SECOND RING PART NUMBER BREAKDOWN
A
1-2
B
3-4
C
5-6
D
7-8
E
9-10
F
11-12
G
13-14
H
15-16
J
17-18
K
19-20
L
21-22
M 23-24
N
25-26
P
27-28
Q
29-30
C
Carbon Steel
D
Ductile Iron
H
Hard Ductile Iron
I
Iron
S
Stainless Steel
RING SET TENSION CODES
U
Ultra Low Tension
0
Low Tension
L
Low Tension
F
Standard Tension
S
Standard Tension
H
High Tension
D
Composite Nitride
E
Moly Fill
F
Ferroxide
G
Titan Nitride
M
Plasma Moly
N
Nitride
P
Phosphate
U
Chrome
A
Taper Face, Back Cut, Nuetral
B
Barrel Face, D-wall, Torsional
C
Taper Face, Back Cut,
Reverse Torsional
D
Dykes
E
Napier, Back Cut, Nuetral
F
Full Seal
G
Gapless
H
Barrel F
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21
HNS HARDENED NITROUS SERIES
TOP RING
SECOND RING
D017 Dykes
Plasma Moly
Taper Face
Phosphate Coated
S TYPE OIL RING
F TYPE OIL RING
Horizontal
corrugation
similar to SS50U
Vertical
corrugation
similar to CP20
and Flexvent
JE PRO SEAL HNS DYKES RINGS
D017 DYKES, 1/16, 3/16
SERIES J890
HARDENED DUCTILE IRON
4.185
J890F8-4185-5
J890H8-4185-5
J14185-5-017HPD
0.173
S24188-0-116IPT 0.194
S34185-0316KCUS 0.190
J34190-0316NCUF
0.197
4.250
J890F8-4250-5
J890H8-4250-5
J14250-5-017HPD
0.173
S24250-5-116IPT 0.198
S34250-0316LCUS
0.190
J34250-0316NCUF
4.375
J890F8-4375-5
J890H8-4375-5
J14375-5-017HPD
0.173
S24375-5-116IPT 0.204
S34375-0316KCUS 0.190
J34375-0316NCUF
0.197
Bore
Standard
Tension
High Tension
Top Ring #
Second Ring #
Ultra Low Tension
Oil Ring #
High Tension
Oil Ring #
Max
Radial
Max
Radial
Max
Radial
Max
Radial
PREMIUM SPORTSMAN SERIES
PREMIUM SPORTSMAN SERIES
TOP RING
SECOND RING
S TYPE
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25
4.060
J70004-4060-5
S14060-5-043DMR
0.160
S24060-5-043IPC 0.165
H34065-03.0ECUF
0.152
4.185
J70004-4185-5
S14185-5-043DMR
0.160
S24185-5-043IPC 0.170
H34187-03.0ECUF
0.152
4.000
J70008-4000-5
S14000-5-043DMR
0.160
S24000-5-043IPC 0.165
H34005-03.0ECUF
0.152
4.020
J70008-4020-5
S14020-5-043DMR
0.160
S24020-5-043IPC 0.165
H34025-03.0ECUF
0.152
4.030
J70008-4030-0
S14030-0-043DMR
0.160
S24030-5-043IPC 0.165
H34035-03.0ECUF
0.152
4.030
J70008-4030-5
J700F8-4030-5
S14030-5-043DMR
0.160
S24030-5-043IPC 0.165
H34035-03.0ECUF
0.152
J34030-03.0HCUF
0.140
4.040
J70008-4040-0
S14040-0-043DMR
0.160
S24040-5-043IPC 0.165
H34045-03.0ECUF
0.152
4.040
J70008-4040-5
J700F8-4040-5
S14040-5-043DMR
0.160
S24040-5-043IPC 0.165
H34045-03.0ECUF
0.152
J34040-03.0HCUF
0.140
4.060
J70008-4060-5
J700F8-4060-5
S14060-5-043DMR
0.160
S24060-5-043IPC 0.165
H34065-03.0ECUF
0.152
J34060-03.0HCUF
0.140
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29
4.000
J93008-4000-5
S14000-5-1.2DMR
0.160
J24005-2-1.2DPA 0.155
H34005-03.0ECUF
0.152
4.010
J93008-4010-5
S14010-5-1.2DMR
0.160
J24010-4-1.2DPA 0.155
H34015-03.0ECUF
0.152
4.020
J93008-4020-5
S14020-5-1.2DMR
0.160
J24020-2-1.2DPA 0.155
H34025-03.0ECUF
0.152
4.030
J93008-4030-5
J930F8-4030-5
S14030-5-1.2DMR
0.160
J24030-2-1.2DPA 0.155
H34035-03.0ECUF
0.152
J34030-03.0HCUF
0.140
4.040
J93008-4040-5
J930F8-4040-5
S14040-5-1.2DMR
0.160
J24040-2-1.2DPA 0.155
H34045-03.0ECUF
0.152
J34040-03.0HCUF
0.140
4.050
J93008-4050-5
S14050-5-1.2DMR
0.160
J24050-2-1.2DPA 0.155
H34055-03.0ECUF
0.152
4.060
J93008-4060-5
J930F8-4060-5
S14060-5-1.2DMR
0.160
J24060-0-1.2DPA 0.155
H34065-03.0ECUF
0.152
J34060-03.0HCUF
0.140
4.070
J93008-4070-5
S14070-5-1.2DMR
0.160
J24070-0-1.2DPA 0.155
C34070-03.0ECUF
0.152
4.080
J93008-4080-5
S14080-5-1.2DMR
0.160
J24080-0-1.2DPA 0.155
H34085-03.0ECUF
0.152
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33
.043-.043-3/16
4.000
L
J72008-4000-5
.043-.043-3/16
4.030
L
J72008-4030-5
.043-.043-3/16
4.040
L
J72008-4040-5
.043-.043-3/16
4.060
L
J72008-4060-5
.043-.043-3/16
4.125
L
J72008-4125-5
.043-.043-3/16
4.130
L
J72008-4130-5
.043-.043-3/16
4.155
L
J72008-4155-5
.043-.043-3/16
4.165
L
J72008-4165-5
.043-.043-3/16
4.000
S
J720F8-4000-5
.043-.043-3/16
4.030
S
J720F8-4030-5
.043-.043-3/16
4.040
S
J720F8-4040-5
.043-.043-3/16
4.060
S
J720F8-4060-5
.043-.043-3/16
4.125
S
J720F8-4125-5
.043-.043-3/16
4.130
S
J720F8-4130-5
.043-.043-3/16
4.155
S
J720F8-4155-5
.043-.043-3/16
4.165
S
J720F8-4165-5
.043-.043-3/16
4.600
L
J73008-4600-5
.043-.043-3/16
4.600
U
J730U8-4600-5
.043-.043-3/16
4.600
L
J87008-4600-5
.043-.043-3mm 4.060
L
J70008-4060-5
.043-.043-3mm 4.060
S
J700F8-4060-5
.043-.043-3mm
4.060
L
J70004-4060-5
.043-.043-3mm
4.185
L
J70004-4185-5
.043-.043-3mm
4.000
L
J70008-4000-5
.043
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37
1/16-1/16-3/16
4.040
L
J50008-4040-5
1/16-1/16-3/16
4.060
L
J50008-4060-5
1/16-1/16-3/16
4.080
L
J50008-4080-5
1/16-1/16-3/16
4.120
L
J50008-4120-5
1/16-1/16-3/16
4.125
L
J50008-4125-5
1/16-1/16-3/16
4.130
L
J50008-4130-5
1/16-1/16-3/16
4.135
L
J50008-4135-5
1/16-1/16-3/16
4.145
L
J50008-4145-5
1/16-1/16-3/16
4.155
L
J50008-4155-5
1/16-1/16-3/16
4.165
L
J50008-4165-5
1/16-1/16-3/16
4.000
S
J500F8-4000-5
1/16-1/16-3/16
4.020
S
J500F8-4020-5
1/16-1/16-3/16
4.030
S
J500F8-4030-5
1/16-1/16-3/16
4.040
S
J500F8-4040-5
1/16-1/16-3/16
4.060
S
J500F8-4060-5
1/16-1/16-3/16
4.080
S
J500F8-4080-5
1/16-1/16-3/16
4.120
S
J500F8-4120-5
1/16-1/16-3/16
4.125
S
J500F8-4125-5
1/16-1/16-3/16
4.130
S
J500F8-4130-5
1/16-1/16-3/16
4.135
S
J500F8-4135-5
1/16-1/16-3/16
4.145
S
J500F8-4145-5
1/16-1/16-3/16
4.155
S
J500F8-4155-5
1/16-1/16-3/16
4.165
S
J500F8-4165-5
1/16-1/16-3/16
4.
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41
RING SETS BY BORE SIZE
4.040
1.2-.043-3mm
S
J911F8-4040-5
4.040
1.2-1.2-3mm
L
J92008-4040-3
4.040
1.2-1.2-3mm
S
J920F8-4040-3
4.040
1.2-1.2-3mm
L
J93008-4040-5
4.040
1.2-1.2-3mm
S
J930F8-4040-5
4.040
1.2-1.5-3mm
L
J94008-4040-3
4.040
1.2-1.5-3mm
S
J940F8-4040-3
4.040
1/16-1/16-3/16
S
S100S8-4040-5
4.050
1.2-1.5-3mm
L
J91008-4050-5
4.050
1.2-1.2-3mm
L
J93008-4050-5
4.060
1/16-1/16-3/16
L
J10008-4060-5
4.060
1/16-1/16-3/16
S
J100F8-4060-5
4.060
.043-1/16-3/16
L
J20008-4060-5
4.060
.043-1/16-3/16
S
J200F8-4060-5
4.060
1/16-1/16-3mm
L
J30008-4060-5
4.060
1/16-1/16-3mm
S
J300F8-4060-5
4.060
.043-1/16-3mm
L
J40008-4060-5
4.060
.043-1/16-3mm
S
J400F8-4060-5
4.060
1/16-1/16-3/16
L
J50008-4060-5
4.060
1/16-1/16-3/16
S
J500F8-4060-5
4.060
1.5-1.5-3mm
L
J60008-4060-5
4.060
1.5-1.5-3mm
S
J600F8-4060-5
4.060
.043-.043-3mm
L
J70004-4060-5
4.060
.043-.043-3mm
L
J70008-4060-5
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