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Engine Piston Set | KB909C.040

  • •Forged 4032 alloy.
  • •.081" Dome.
  • •Incl. front & rear piston.
  • •Piston & Ring Kit.
  • •Use w/85cc stock or 95cc Screamin Eagle heads.

KB Forged - Twin Cam 96 Big Bore Dome -3.6cc (103ci) 2007 To Present Rod -7.667


Product Specifications
Sold As Piston & Ring Kit
Engine Manufacturer Harley Davidson
Engine Family Twin Cam 103" / Big Bore 96" 2007-2016
Eng. Disp. In. 103
Eng. Disp Liters 1688
Year Range 2007-2018
Piston Material Forged 4032 Alloy
Bore Diameter MM 98.4
Bore (in) 3.875
Bore (mm) 98.4
Rod (in) 7.667
Stroke (in) 4.375
Rod (mm) 194.7418
Stroke (mm) 111.1
Oversized Yes
Oversize .040
Ring Pack 1.5mm, 1.5mm, 2.5mm
Top Land .163
Pin Number 0927x208K
Pin Type Floating
Pin Configuration Offset
Pin Diameter (in) .927
Pin Diameter (mm) 23.5
Lock PRJ100-3
Compression Height IN 1.086
Compression Height MM 27.6
Crown Type DOME
Crown (cc) -5.4cc
Intake Valve Depth/diameter .203/2.180
Exhaust Valve Depth/diameter .163/1.820
Alloy Forged 4032 Alloy
Compression Ratio 10.5:1 w/85cc 9.5:1 w/95
Oe Deck Height 6
Oversizes STD .005 .010 .020 .030
Includes Ring Set 25002.040
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