Callies BBF Magnum 4.500 Forged Crankshaft

Magnum BBF 429-460 Crankshaft 4.500" Stroke 99QH29-MG

Standard Features

* Average Weight for 4.750 in. Stroke = 78 lbs

* Gun Drilled Mains

* All Rod Journals Lightened

* Stroke Availability from 4.150 in. to 4.750 in.

* Single 3/16 (Align-Ease) keway with lead in Witness mark

* Short Damper fit (High Performance Style)

* Heat Treatment = Ultra Case Deep Nitride