The ATI 6.78-inch aluminum crankshaft damper for Ford Coyote 5.0L is provided in an OEM-size configuration with a six-groove pulley and an aluminum hub, and it is listed for applications that do not include A/C. The catalog-style notes call out material, groove count, and hub construction to assist selection for Coyote engine installations requiring an alum hub option.
ATI Damper - 6.78in - Alum - 6 Grv - Ford Coyote 5.0L - No A/C - Alum Hub - OEM Size