Eagle billet crankshaft for Honda F20C is machined from 4340 steel with a 3.799" stroke and features .125" fillet radiuses for superior strength. The crank’s nitrided surface and micropolished finish improve fatigue resistance and bearing contacts; note that .125" fillets may require chamfered or narrowed bearings. This billet crank targets high-demand rebuilds where strength and precision matter.
Eagle Honda F20C 4340 Billet Crankshaft