Cart Continue shopping “Holley 554-113 HP EFI ECU and Harness” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × Holley 554-113 HP EFI ECU and Harness $1,689.95 Holley 554-113 HP EFI ECU and Harness quantity $1,689.95 Coupon: Apply Sales Code Update cart Cart totals Subtotal $1,689.95 Shipping Enter your address to view shipping options. Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update Tax $0.00 Total $1,689.95 Proceed to checkout