340-440 Billet Crank Shaft Pulley - Shallow Shallow offset pulley is CNC machined from 6061 aluminum billet. Deep groove helps keep the belt from being thrown off when subjected to high acceleration or high rpm. which is one cause of belt retention problems. 5" effective diameter, groove sized for 3/8" V belt Weighs approximately 11 ounces. $69.95 | 340-440 Billet Crank Shaft Pulley - Deeper Deeper offset pulley features both Chevy and Mopar bolt patterns. Extra Thick flange can be machined by user for custom pulley alignment. Pulley offset is 1.65" as shipped, can be machined to .965", measuring from mounting surface to groove center. Deep groove helps keep the belt from being thrown off when subjected to high acceleration or high rpm. which is one cause of belt retention problems. 5" effective diameter, groove sized for 3/8" V belt. $79.95 |