Light Weight Aluminum Crank Crankshaft Pulley 94-97 Mazda Miata 1.8L BP-ZE // Part # CP548This light weight racing crank pulley will fit the 1994 1997 Mazda Miata with the 1. 8L BP ZE engine. It weighs just 1 pounds and 6. 5 ounces, is factory balanced, has factory timing marks and is of stock size and configuration, so there is no need to change the belts! This is a lightweight 6061 T6 billet aluminum CNC machined crankshaft pulley with tolerances kept down to . 001, which are usually reserved for aircraft and military designs. This