Spool Nissan TB48 108mm Stroke Crankshaft Description
Spool TB48 Full Counter weight 4340 Billet Nitrided Crankshaft with a 108mm stroke.
Please Note: Clearancing of the cylinder block is required for installation.
This is a true billet crankshaft machined from billet 4340 core stock - not a cast forging blank that is final machined. Each crank is machined from core stock 4340 on a CNC machine, then nitrided, and final ground.
We have customers making over 1000 hp with our billet crankshafts
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