Billet BB Chevy 1 Groove Crankshaft Pulley SWP

Part #(MCC917) Installation tips: Verify that you have a Short water pump. If you have a Short water pump Big Block Chevy your alternator will be mounted on the drivers side of the engine (NOTE: pulleys with washer marks or scratches from mounting cannot be returned) Material Billet Aluminum CNC Machined from a solid block of aluminum Thickness MCC917 billet pulley mounting flange is approximately .300 thick Diameter  The diameter of MCC917 Billet 1 Groove Crankshaft Pulley is  6 1/2" Single Groove MCC917 pulley is a 1 Groove pulley for Big Block Chevy Engines 396 427 454 with Short Water Pump Short Water Pump MCC917 is for Short water pump (SWP) Big Block Chevy's generally 1969 and older v-belt equipped engines Inset MCC917 pulley has a 1/2" inset spacing Belt MCC917 Billet V belt pulley uses a standard 3/8 belt size Application  MCC917  Billet pulley is for Big Block Chevrolet engines Gen 4 1965 - 1990 with Short water pump only Restrictions Cannot be run on Long water pumps or corvette applications Comments: We have matching billet power steering pulleys, billet alternator pulleys and billet water pump pulleys if you want to complete your engine use the links below Check Out these related items