Callies GT-R crankshafts can be ordered in strokes ranging from 88mm to 98mm. Callies GT-R’s are manufactured with Nissan OEM main bearing and Big Block Chevy rod journal diameters. Special attention was given to critical areas making this one of the strongest GT-R billet crankshafts available. Machined from 4330V and deep case nitride this crankshaft is built for durability. Stock accessory drives and drive line components can be used.
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