Cart “LS Swap Standalone Wiring Harness Chevy GM 2003-07 LS Truck w/T56 Transmission” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × Holley 534-224 Fuel Rail Kit LT1 Hi-Ram $289.95 Holley 534-224 Fuel Rail Kit LT1 Hi-Ram quantity $289.95 × Holley 20-135 LS Accessory Drive Bracket Kit Driver Side Application W/O A/C $299.95 Holley 20-135 LS Accessory Drive Bracket Kit Driver Side Application W/O A/C quantity $299.95 × LS Swap Standalone Wiring Harness Chevy GM 2003-07 LS Truck w/T56 Transmission $289.95 LS Swap Standalone Wiring Harness Chevy GM 2003-07 LS Truck w/T56 Transmission quantity $289.95 Coupon: Apply Sales Code Update cart Cart totals Subtotal $879.85 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 $879.85 Proceed to checkout