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Pro Series Crankshaft 13390


Product Description

All the features of the the Racer Series crankshafts plus all rod journ a l s are drilled with either a 7/8 or 3/4 lightening hole , which reduce the inertia weight and the counterweights have been contoured using Lunat's Contoured Wing Design.

This design allows the air and oil to be directed to the main bearings, keeping the air and oil away from the rotating connecting rods.

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