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SBC Bearing Support Crank Hub

Part No.:  2310-0021
MPN: 202203-0020
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*** IN STOCK SHIPS TODAY *** The hub is made from billet heat treated steel, has one .250" and one .187" keyway 180 degree's apart. Uses six .375" bolts on a 2.782" bolt circle and is made to work with 4-71 thru 18-71 roots or screw superchargers.

Hub measures from pulley mounting surface to crank gear 2.250" and has a long nose on the front to work with an external crank support. End of crank hub is machined with a provision to drive a mandrel off the end of the crank if the racer chooses.

RBS carries a full line of keystock, degree rings, crank trigger components or crank supports which can all be purchased separate by the racer if needed.

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