All of our crank hubs are machined from billet 4142 HT Turned, Ground and Polished is a chromium-molybdenun alloy steel that has been hardened to 27 to 32 Rockwell C and is ready to use while still machinable and of exceedingly high strength.
RCD crank hubs are lighter than the knock off hubs. All hubs have 6 3/8-24 threads. We offer crank hubs for 426 hemi, Ford, 392, SBC, BBC always in stock call for pricing on our our crank hubs.
Also available RCD degree rings with magnets for running crank trigger also available without magnets