ENGINE
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Stock
Engine
Bore x
Stroke
COMP.
RATIO
BORE
SIZE
TOP END KIT WITH
GASKETS
TOP END KIT
WITHOUT GASKETS SINGLE PISTON
RING SET
PISTON
PIN CIRCLIP
TOP
END
GASKET
KIT
HARLEY-DAVIDSON
Twin Cam 4.375”
Stroke
Fits Twin Cooled
“Rushmore” Cylinder
Heads
106 Cubic Inch
15 3.875 10.5:1 3.937
114756 TBA 114746 TBA 103879 39.95
G
100117 114736
x
4.375
* Note: Recalibra-
tion required
Twin Cam 4.375”
Stroke
Fits Screamin Eagle
Cylinder Heads
starting 2011
Late model Twin
Cam using a 4.375”
crankshaft
99-14 3.750 10:1 3.937
114764 TBA 112079 390.00
G
112050 195.00
G
103879 39.95
G
100117 114736 114733
x
* Note: Recalibra-
tion required
4.375
106 Cubic Inch
Twin Cam 4.375”
Stroke
Fits Screamin Eagle
Cylinder Heads
starting 2011
Late model Twin
Cam using a 4.375”
crankshaft
99-14 3.750 10.5:1 4.000
112084 413.28
G
103228 340.00
G
103224 170.00
G
114739 TBA 100904 114736 114733
x
* Note: Recalibra-
tion required
4.375
110 Cubic Inch
Twin Cam 4.375”
Stroke
Fits Screamin Eagle
Cylinder Heads
starting 2011
Late model Twin
Cam using a 4.375”
crankshaft
99-14 3.750 10.5:1 4.125
111857 497.34
G
112075 360.00
G
112044 180.00
G
100302 36.70
G
100904 114736 102136
x
* Note: Recalibra-
tion required
4.000
117 Cubic Inch
Twin Cam 4.375”
Stroke
Late model Twin
Cam using a 4.375”
crankshaft
124 Cubic Inch
99-14 3.750 10.5:1 4.250
114765 TBA 112076 390.00
G
112045 195.00
G
104705 29.95
G
100117 114736 TBA
x
* Note: Recalibra-
tion required
* Note: Kits contain
one front and one
rear piston
112046 195.00
G
4.000
Twin Cam 4.625”
Stroke
Also fits Screamin
Eagle 110+ and
120R Heads
131 Cubic Inch
99-14 3.750 10.5:1 4.250
114758 TBA 112082 420.00
G
112051 210.00
G
104705 29.95
G
100117 114736 114733
x
* Note: Recalibra-
tion required
112052 210.00
G
4.000
* Note: 103025
rings required for
Nikasil cylinder
bore surface
* Note: CR
calculated
using 95cc
chambers
* Note: Kits contain
one front and one
rear piston
Twin Cam 4.625”
Stroke
Compatible with
S&S 124 Cylinder
heads
131 Cubic Inch
99-14 3.750 10.5:1 4.250
114766 TBA 112083 420.00
G
112053 210.00
G
104705 29.95
G
100117 114736 114734
x
112054 210.00
G
4.000
* Note: Recalibra-
tion required
* Note: 103025
rings required for
Nikasil cylinder
bore surface
* Note: CR
calculated
using 95cc
chambers
* Note: Kits contain
one front and one
rear piston
