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Increased engine performance often means increased engine speed and load. Original factory crankshafts may not be able to withstand the added stress resulting in catastrophic engine failure. Arrow Precision billet crankshafts feature full-flow oiling whereby each rod journal is lubricated from two main journals. This provides superior lubrication during sustained high rpm use preventing rod bearing failure. Arrow Precision crankshafts are manufactured entirely in house from EN40B steel in a light weight-high strength design. Longer stroke crankshafts increase displacement, and broaden the power band.

  • Fully counterweighted
  • Full-flow oiling
  • Billet Steel EN40B
  • Lightweight design for reduced rotational inertia