Short Water Pump Pulley Kit - 2V Power Steering & Alternator V-Belt - 302, 351W and 351C This pulley kit is designed for use with Ford Racings Short Water pump part number M-8501-E351S. Our pulleys are designed based on the now obsolete Street Rod Pulleys (part number M-8509-R and M-8509-Q) Made in the USA from 6061-T6 Billet Aluminum and designed for use with factory alternator and power steering brackets. Note: Recommend using with Electric Fan for maximum clearance. Ford Pulley Kit Contents: Water Pump Pulley P/N SBFS2WP-FR Grooves: 2 Pulley Diameter: 5.4" Pilot Diameter: 0.625" Crankshaft Pulley: P/N SBFS2CR-FR Grooves: 2 Crank Pulley Diameter: 5.4" Crank Pulley Bolt Pattern: 4 Bolt Alternator Pulley: P/N ALTFAN Diameter: 2.7" Alternator Shaft Diameter: 11/16"