WHIPPLE: 3.375" 6-rib SCP / Ford Mustang 4.6 3V, W175FF Coyote, 5.0L/6.2L Truck springs Magnum crankshafts by Callies have

Magnum crankshafts by Callies have established themselves as one of the most durable competition crankshafts ever produced

Model: 4239016A (Black/Auto)

Torx T-40 Plus bit

3” Length

Available in 5 finishes

WHIPPLE: 3.375" 6-rib SCP / Ford Mustang 4.6 3V, W175FF Coyote, 5.0L/6.2L Truck springs Magnum crankshafts by Callies have3. 375" 6 rib SCP Black Every Whipple Supercharger pulley is made of 6061 T6 billet aluminum and anodized for wear and environmental protection. Each pulley is engraved with the running diameter size and state of the art light weight pockets to lower reciprocating mass as well as a guard feature to help unwanted belt wandering during hard running. Standard finish is hard coated black anodized. Dimension of each supercharger pulley is based off of the