83mm Stroker Kit for BMW S65 Engine E90 E92 E93 M3

Our stroker kit can be made at any stroke. Our suggestion for most applications is 83mm. Other strokes can be custom ordered and we can assist with engineering rods and pistons to complete your custom kit. Typically we will design a kit for each specific engine build, we work with CP pistons along with Carrillo rods to create a package that will work with the stroke that you choose. We take everything into account to design the ideal rotating assembly for your specific requirements. Whether that be lightweight high rpm road racing or a strong forced induction bottom end, we will design the rotating assembly around your requirements. The crankshaft is then balanced using the weights of the rods and pistons that we design for your specific kit. This method allows us to create a balanced bottom for ideal performance. Each one of our kits is engineered specifically for your application. As with our other billet crankshafts these 8 cylinder cranks are plasma nitrided, and dynamically balanc