Gen-V LT Hi-Ram Fuel Rail Adapter Kit This fuel rail kit is specifically designed to work with the Holley GM Gen V LT1 Engines Features: Replacement Fuel Rail Kit (2) Fuel Rails (4) Fuel Rail Spacers (4) 1/4 AN Stainless Steel Washers (4) 1/4-20 x 1.75” Long Socket Head Capscrews (8) Fuel Injector to Intake Manifold Seal O-rings Brand Holley EFI Category Air and Fuel Delivery Color Black Emission Code 4 Engine GM Gen V LT1 Fittings Included No Fuel Injection Type Port Fuel Injectors Included No Fuel System EFI Fuel System Type EFI Gasket Or Seal Included No Grade Type Performance Material Aluminum Part Type Fuel Injector Rail Product Type Fuel Rail Kit Sub Category Fuel Injection System and Related Components Type of Component Fuel Rail Warranty Manufacturer's Limited 90 Day Warranty UPC 090127728444 Part Number 534-224