Crower Cams and Equipment Company, Inc., is a leading producer of aftermarket camshafts and valve train components. But over the years Crower has developed a more diverse line of products. Today, Crower is the world's largest manufacturer of aftermarket crankshafts and connecting rods, and the Crower line of clutches has been dominating the drag racing and tractor pulling series for nearly two decades. Crower products are used in everything from NASCAR to NHRA Top Fuel, Funny Car and Pro Stock to the USAC ranks on down to Saturday night Sportsman classes and conventional passenger cars and trucks.