Simplifies LS/LT engine swaps with DBW accelerator systems Works great with Holley EFI installation Provides modern look and performance for classic Vehicles Fits in OE location when used with Holley DBW pedal brackets GM engine swap applications using Holley DBW Brackets. This Holley DBW accelerator pedal is is a perfect compliment to any vehicle using Drive by Wire. Offers plug and play compatibility with Holley EFI and simply bolts in stock locations when used with Holley DBW Pedal Brackets.. When assembling 145-160 to Holley DBW Brackets, use the supplied hardware (2) 5/16-18UNC X .50 flange-headed bolt.