The heart of any hi-performance engine is the crankshaft. Counter weighted crankshafts greatly reduce power robbing and damaging crank-flex high RPM harmonics and vibration through the entire power range. Features Include -Forged 4140 Chromoly -Chamfered Oil Holes -8 Dowel -8mm Dowel Pins -Crossed Drilled -Precision Ground & Micro Polised -Nitrided & Polished Stroke: 74mm Journal: VW Material: 4140 ChromolyCrankshaft 74mm Forged Chromoly 8 Dowel VW Journals