RBS carries a full supply of parts to repair or change combinations on a racers RCD SBC gear drive. This billet alum. crank seal housing fits the RCD SBC gear drive that uses a BBC crank snout.
Housing is .700" thick and uses #700-017 crank seal and #2400-0101 inner seal retainer for a complete crank seal assembly. Fits all RCD SBC gear drives that are standard or raised cam.