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1996-2015 Twin Cam 103"

  • Machined from 2618 T6 high tensile forged aluminum

  • Dome/Dish features smooth flowing radii and require no deburring or preparation

  • JE designs are specifically engineered for extreme applications including professional competition

  • Pins, pin fitment, lock and rings included

Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote


1996-2015 Twin Cam 103" - FSR Series
3.875" Std Bore
4.375" Stroke
Combo Valve Pockets Accommodate 1996-2014 Heads.
FSR Uses 2.250" Long Pin
Does not fit Rushmore Liquid Cooled Heads
Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote
324723 1691cc 3.875 STD 9.0:1 345 FSR VM3875 927-2250-15-51C 927-073-MW OEM
324726 1691cc 3.875 STD 10.0:1 349 FSR VM3875 927-2250-15-51C 927-073-MW OEM
324729 1691cc 3.875 STD 10.5:1 359 FSR VM3875 927-2250-15-51C 927-073-MW OEM
324730 1695cc 3.880 0.005 10.5:1 361 FSR VM3880 927-2250-15-51C 927-073-MW Call
324727 1695cc 3.880 0.005 10.0:1 351 FSR VM3880 927-2250-15-51C 927-073-MW Call
324724 1695cc 3.880 0.005 9.0:1 347 FSR VM3880 927-2250-15-51C 927-073-MW Call
324725 1700cc 3.885 0.010 9.0:1 349 FSR VM3885 927-2250-15-51C 927-073-MW Call M
324728 1700cc 3.885 0.010 10.0:1 353 FSR VM3885 927-2250-15-51C 927-073-MW Call M
324731 1700cc 3.885 0.010 10.5:1 363 FSR VM3885 927-2250-15-51C 927-073-MW Call M


2007-2015 Twin Cam 103" Flat Top - Round Series
3.875" Std Bore
4.375" Stroke
Does not fit Rushmore Liquid Cooled Heads
Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote
262393 1691cc 3.875" STD 10.0:1 352 Round XK3875 927-2500-15-51C 927-073-MW
262395 1695cc 3.880" +.005" 10.0:1 359 Round XK3880 927-2500-15-51C 927-073-MW
262397 1700cc 3.885" +.010" 10.0:1 360 Round XK3885 927-2500-15-51C 927-073-MW
262399 1705cc 3.895" +.020" 10.0:1 360 Round XK3895 927-2500-15-51C 927-073-MW

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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