Included is a bronze gear roll pin to be used with most Dunn BBC/SBC single mag offset belt drives. It uses the industry standard heat treated .500" steel shaft, turned down to .491" where the gear goes on and is .175" slot on the end to drive most all industry standard BBC/SBC oil pumps.
The pulley flange up top on the shaft is drilled 10-32 to mount the belt drive pulley to.
Racer can choose from drop down menu standard 9.800" or tall deck 10.20" driveshaft.
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