Specifications: Water Pump Pulley: Double Groove Machined From Billet Aluminium Pulley Diameter is 6 9/16" Pulley is 3" Tall Bolt Pattern is 2 1/8" Center hole is 5/8" Belt Type: V-Belt These Feature deep grooves to prevent belt from slipping Crankshaft Pulley: Three Grooves Machined From Billet Aluminium Pulley Diameter is 6 9/16" Pulley is 2 7/8" Tall Bolt Pattern is 2 3/4" Center hole is 1 1/8" Belt Type: V-Belt These Feature deep grooves to prevent belt from slipping .
