CTR N1 crank pulley replaces your stock pulley on your B series vtec or non-vtec engine. The CTR N1 pulley only has one groove to power your alternator. It not only weighs significantly less than a stock pulley but it also reduces the parasitic drag on your motor causes by your power steering and A/C belts. CTR N1 Pully For All B-series engines   - $60.00