396, 427, 454, V-Belt Belt Type, 2 Groove Count

• Machined Aluminum Big Block Chevy Two Pulley Set
• Short Water Pump Applications
• Machined aluminum pulleys add the finishing touch to your engine
• Aluminum Crankshaft 3-Groove Pulley is 6-7/16" diameter
• Aluminum Water Pump 2-Groove Pulley is 6-7/16" diameter
• Includes tapered water pump pulley bolts
• Crank pulley bolts 
• Will NOT Fit Corvette