Racing Power V-Belt 2 Groove Crankshaft Pulley - 6.594 in Diameter - Polished Aluminum - Short Water Pump - Small Block Chevy Digital Tachometer They're made out of flexible

They're made out of flexible plastic so they won't break while you're giving your competition a little lovin"

Overall Length of Nuts:

565 in D Port

65mm size is ideal for stock manifolds

Racing Power V-Belt 2 Groove Crankshaft Pulley - 6.594 in Diameter - Polished Aluminum - Short Water Pump - Small Block Chevy Digital Tachometer They're made out of flexibleProduct Description: Crankshaft Pulley V Belt 2 Groove 6. 594 in Diameter Aluminum Polished Short Water Pump Small Block Chevy Sold Individually Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.