K1 Technologies Rotating Assemblies for GM LS-Series Engines

  • The perfect combination for your high performance LS engine!
  • Includes K1 4340 forged crankshaft, H-beam connecting rods, forged Wiseco Pistons and high performance rod/main bearings
  • Connecting rods are specifically designed for stroker applications

  • Crankshafts include OEM reluctor wheel installed
  • Balancing not included

K1 Technologies Chevy LS Rotating Assemblies

Kit Part Number Disp. Description Bore Stroke Rod C/R at 65cc C/R at 70cc Crankshaft P/N Rod P/N Piston P/N Ringset P/N Footnote
R-KD40006-58 402 402 - 4.000" LS Rotating Assembly - 11.0:1 4.005 4.000 6.125 11.0:1 10.4:1 012FAE400-58 012AE25613ST K394X05 4007GFX 58T Reluctor
R-KD40006-24 402 402 - 4.000" LS Rotating Assembly - 11.0:1 4.005 4.000 6.125 11.0:1 10.4:1 012FAE400-24 012AE25613ST K394X05 4007GFX 24T Reluctor
R-KD40005-58 408 408 - 4.000" LS Rotating Assembly - 9.7:1 4.030 4.000 6.125 9.7:1 9.3:1 012FAE400-58 012AE25613ST K456X3 4032GFX 58T Reluctor
R-KD40005-24 408 408 - 4.000" LS Rotating Assembly - 9.7:1 4.030 4.000 6.125 9.7:1 9.3:1 012FAE400-24 012AE25613ST K456X3 4032GFX 24T Reluctor
R-KD40003-58 408 408 - 4.000" LS Rotating Assembly - 11.0:1 4.030 4.000 6.125 11.0:1 10.4:1 012FAE400-58 012AE25613ST K394X3 4032GFX 58T Reluctor
R-KD40003-24 408 408 - 4.000" LS Rotating Assembly - 11.0:1 4.030 4.000 6.125 11.0:1 10.4:1 012FAE400-24 012AE25613ST K394X3 4032GFX 24T Reluctor
R-KD40004-58 408 408 - 4.000" LS Rotating Assembly - 11.7:1 4.030 4.000 6.125 11.7:1 11.0:1 012FAE400-58 012AE25613ST K464X3 4032GFX 58T Reluctor
R-KD40004-24 408 408 - 4.000" LS Rotating Assembly - 11.7:1 4.030 4.000 6.125 11.7:1 11.0:1 012FAE400-24 012AE25613ST K464X3 4032GFX 24T Reluctor
R-KD40001-58 416 416 - 4.000" LS Rotating Assembly - 10.2:1 4.070 4.000 6.125 10.2:1 9.7:1 012FAE400-58 012AE25613ST K445X7 4072GFX 58T Reluctor
R-KD40001-24 416 416 - 4.000" LS Rotating Assembly - 10.2:1 4.070 4.000 6.125 10.2:1 9.7:1 012FAE400-24 012AE25613ST K445X7 4072GFX 24T Reluctor
R-KD40002-58 416 416 - 4.000" LS Rotating Assembly - 11.7:1 4.070 4.000 6.125 11.7:1 11.0:1 012FAE400-58 012AE25613ST K464X7 4072GFX 58T Reluctor
R-KD40002-24 416 416 - 4.000" LS Rotating Assembly - 11.7:1 4.070 4.000 6.125 11.7:1 11.0:1 012FAE400-24 012AE25613ST K464X7 4072GFX 24T Reluctor
R-KD41253-24 421 421 - 4.125" LS Rotating Assembly - 10.7:1 4.030 4.125 6.125 10.7:1 10.0:1 012FAE413-24 012AE25613ST K454X3 4032GFX 58T Reluctor
R-KD41253-58 421 421 - 4.125" LS Rotating Assembly - 10.7:1 4.030 4.125 6.125 10.7:1 10.0:1 012FAE413-58 012AE25613ST K454X3 4032GFX 24T Reluctor
R-KD41254-24 421 421 - 4.125" LS Rotating Assembly - 11.0:1 4.030 4.125 6.125 11.0:1 10.5:1 012FAE413-24 012AE25613ST K450X3 4032GFX 58T Reluctor
R-KD41254-58 421 421 - 4.125" LS Rotating Assembly - 11.0:1 4.030 4.125 6.125 11.0:1 10.5:1 012FAE413-58 012AE25613ST K450X3 4032GFX 24T Reluctor
R-KD41252-24 430 430 - 4.125" LS Rotating Assembly - 11.0:1 4.070 4.125 6.125 11.0:1 10.5:1 012FAE413-24 012AE25613ST K450X7 4072GFX 58T Reluctor
R-KD41252-58 430 430 - 4.125" LS Rotating Assembly - 11.0:1 4.070 4.125 6.125 11.0:1 10.5:1 012FAE413-58 012AE25613ST K450X7 4072GFX 24T Reluctor
R-KD41251-24 454 454 - 4.125" LS Rotating Assembly - 13.0:1 4.185 4.125 6.125 13.0:1 12.2:1 012FAE413-24 012AE25613ST K462X185 4188GFM 58T Reluctor
R-KD41251-58 454 454 - 4.125" LS Rotating Assembly - 13.0:1 4.185 4.125 6.125 13.0:1 12.2:1 012FAE413-58 012AE25613ST K462X185 4188GFM 24T Reluctor
All Rotating assemblies include crankshaft, connecting rods, complete Wiseco piston kit with rings, and corresponding main and rod bearings.