Cam gear is machined from billet heat treated steel, has forty eight teeth, bore where it registers on the cam hub is 1.940" and is .500" thick on the gear surface. Finish is raw steel and if the racer needs bolts to bolt the gear to the hub check out #400-4CAL. Fits all Donovan 426 Hemi or BBC gear drives with the eleven bolt cam hub but not the SBC or Donovan 417 Hemi.
Racer can pick BBC or Hemi from drop down menu.
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