Harley 1985-1999 EVO
  • 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
    • 1985-1999 EVO (Stroke 4.250") - 1
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock
    124962 1342cc 3.503" +.005" 8.5:1 361 Round J140F1-3503 792-2500-14-51C 787-050-MW
    126943 1345cc 3.508" +.010" 8.5:1 364 Round J140F1-3508 792-2500-14-51C 787-050-MW
    1985-1999 EVO (Stroke 4.250") - 2
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock
    124846 1342cc 3.503" +.005" 9.5:1 379 Round J140F1-3503 792-2500-14-51C 787-050-MW
    124847 1345cc 3.508" +.010" 9.5:1 379 Round J140F1-3508 792-2500-14-51C 787-050-MW
    124848 1353cc 3.518" +.020" 9.5:1 381 Round J140F1-3518 792-2500-14-51C 787-050-MW
    124849 1361cc 3.528" +.030" 9.5:1 383 Round J140F1-3528 792-2500-14-51C 787-050-MW
    1985-1999 EVO (Stroke 4.250") - 3
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock
    133731 1340cc 3.498" STD 10.0:1 384 Round J140F1-3498 792-2500-14-51C 787-050-MW
    133732 1342cc 3.503" +.005" 10.0:1 393 Round J140F1-3503 792-2500-14-51C 787-050-MW
    133733 1345cc 3.508" +.010" 10.0:1 396 Round J140F1-3508 792-2500-14-51C 787-050-MW
    133734 1353cc 3.518" +.020" 10.0:1 391 Round J140F1-3518 792-2500-14-51C 787-050-MW
    133735 1361cc 3.528" +.030" 10.0:1 395 Round J140F1-3528 792-2500-14-51C 787-050-MW
    1985-1999 EVO (Stroke 4.250") - 4
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock
    134092 1340cc 3.498" STD 10.5:1 399 Round J140F1-3498 792-2500-14-51C 787-050-MW
    134093 1342cc 3.503" +.005" 10.5:1 404 Round J140F1-3503 792-2500-14-51C 787-050-MW
    134094 1345cc 3.508" +.010" 10.5:1 406 Round J140F1-3508 792-2500-14-51C 787-050-MW
    134095 1353cc 3.518" +.020" 10.5:1 408 Round J140F1-3518 792-2500-14-51C 787-050-MW
    1985-1999 EVO (Stroke 4.250") - 4
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock
    134092 1340cc 3.498" STD 10.5:1 399 Round J140F1-3498 792-2500-14-51C 787-050-MW
    134093 1342cc 3.503" +.005" 10.5:1 404 Round J140F1-3503 792-2500-14-51C 787-050-MW
    134094 1345cc 3.508" +.010" 10.5:1 406 Round J140F1-3508 792-2500-14-51C 787-050-MW
    134095 1353cc 3.518" +.020" 10.5:1 408 Round J140F1-3518 792-2500-14-51C 787-050-MW
    1985-1999 EVO
    Piston Kit Disp Bore Size Over Size Comp Ratio Gram Wt Skirt Style Ring Pin Lock
    161939 1437cc 3.625" STD 9.25:1 367 Round J150F1-3625 792-2500-14-51C 787-050-MW
    161940 1441cc 3.630" +.005" 9.25:1 367 Round J160F1-3635 792-2500-14-51C 787-050-MW
    161941 1446cc 3.635" +.010" 9.25:1 368 Round J160F1-3635 792-2500-14-51C 787-050-MW
    161942 1453cc 3.645" +.020" 9.25:1 370 Round J120F1-3645 792-2500-14-51C 787-050-MW
    161943 1437cc 3.625" STD 10.25:1 395 Round J150F1-3625 792-2500-14-51C 787-050-MW
    161944 1441cc 3.630" +.005" 10.25:1 399 Round J160F1-3635 792-2500-14-51C 787-050-MW
    161945 1446cc 3.635" +.010" 10.25:1 399 Round J160F1-3635 792-2500-14-51C 787-050-MW
    161946 1453cc 3.645" +.020" 10.25:1 404 Round J120F1-3645 792-2500-14-51C 787-050-MW
    161947 1564cc 3.625" STD 9.5:1 345 Round J150F1-3625 792-2500-14-51C 787-050-MW
    161948 1572cc 3.635" +.010" 9.5:1 348 Round J160F1-3635 792-2500-14-51C 787-050-MW