Billet Aluminum Chrysler (Mopar) Crankshaft Pulley - 3V-belt - High Flow Diameter 3 Groove crankshaft pulley for Chrysler Small Block (318, 340 & 360). Designed for use with stock power steering and alternator brackets. APPLICATION - MODEL YEAR 1970+ ---Chrysler Small Block engines (318, 340 & 360) ---Passenger Side Lower Radiator Hose Generally fits the following models with original 318, 340 or 360 small block engines installed. Note: 1970 model year was a transition year and you need to ensure you have the water pump with passenger side lower radiator hose.