ard full counter crankshaft niss sr20det 2.2l stroker all the crankshafts are heat-treated and nitrided and knife edged. our highly durable full counter crankshaft is designed for extra strenght and is an absolute must for those aiming for high power outputs. as used in professional racing applications for circuit and drag racing. stroke 91mm (std 86mm) weight 18kg (std 17kg)