Thumbnail Filmstrip of 202403-04-assy RCD Blower Hub assy. - Big Block Chevy Hub with Bolts for use on all BB Engines Images
RCD BB Chevy Long Blower Hub -04 with mount bolt 202403-04 and 6- Pulley 12 point bolts - 201000-0018
typically used with the 7" Crank Trigger Wheel , this hub pushes the pulley forward by 1/2" over the Short -02 hub.
Bolt with 200,000 psi tensile strength - http://www.alkydigger.net/proddetail.php?prod=RCD358850-38 included
Our crank hubs are machined from heat treated chrome-moly steel billet.
Each hub has two 1/4” keyways 180° apart, six 3/8-24 threaded holes in an evenly spaced pattern and a black oxide finish.
A stepped profile is machined around the holes for weight reduction and to lock-on the degree ring.
Allows the installation of the 7" RCD Crank Trigger Wheel