SPL-RB30-85mm-Crank Spool RB30 Full Counter weight 4340 Billet Nitrided Crankshaft with a 85mm OEM stroke. RB30 OEM Stroke Crank to Suit Nissan Skyline RB30 and Holden RB30 VL Commodore engines. 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 2000 hp with our billet crankshafts.
