*** IN STOCK SHIPS TODAY *** RBS carries a full line of parts to service your RCD gear drive and here is one part you should have a few of if you service your own engine. These O-rings seal the crank seal housing to the gear drive cover.
Made from Buna rubber these O-rings will withstand fuel and oil with no issues. Fits all RCD SBC, BBC, Hemi, KB Olds, gear drives except the internal bearing support gear drives which use a part #700-063.
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