Harley 1999-2006 Twin Cam Big Bore 95" FSR
  • 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
    • 1999-2006 Twin Cam Big Bore 95" - Std Bore: 3.875"
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock Gasket
    284738 1546cc 3.875" STD 9.3:1 386 Round XK3875 927-2250-15-51C 927-073-MW JC9722
    284740 1546cc 3.875" STD 10.25:1 397 Round XK3875 927-2250-15-51C 927-073-MW JC9722
    284739 1554cc 3.885" +.010" 9.3:1 410 Round XK3885 927-2250-15-51C 927-073-MW JC9722
    284741 1554cc 3.885" +.010" 10.25:1 428 Round XK3885 927-2250-15-51C 927-073-MW JC9722
    1999-2006 Twin Cam Big Bore 95" - FSR - Std Bore: 4.000"
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock Gasket
    284738 1546cc 3.875" STD 9.3:1 NEW FSR XK3875 927-2250-15-51C 927-073-MW JC9722
    284739 1554cc 3.885" +.010" 9.3:1 NEW FSR XK3885 927-2250-15-51C 927-073-MW JC9722
    284740 1546cc 3.875" STD 10.25:1 NEW FSR XK3875 927-2250-15-51C 927-073-MW JC9722
    284741 1554cc 3.885" +.010" 10.25:1 NEW FSR XK3885 927-2250-15-51C 927-073-MW JC9722
    1999-2006 Twin Cam Big Bore 95" - Std Bore: 4.000"
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock Gasket
    173395 1647cc 4.000" STD 10.25:1 422 Round J100F1-4000-5 927-2500-15-51C 927-073-MW
    175008 1655cc 4.010" +.010" 10.25:1 425 Round J100F1-4010-0 927-2500-15-51C 927-073-MW