Crankshafts is the aftermarket division of Kellogg Crankshaft. Kellogg Crankshaft has been manufacturing crankshafts for the automotive industry for over 50 years and is now selling high performance crankshafts to the general public through KP Crankshafts.

’s Competition, Performance and Modular Series crankshafts are manufactured from forgings produced in the US and machined in Jackson, Michigan.  Our parts exceed OEM tolerances and are designed to withstand the punishment of modern-day racing requirements.