Fuel Injector InstallationReturn Line Install Kit for 20012004 Chevy GMC GM Duramax LB7 Diesel Fuel Injectors

FitmentFits for Duramax LB7 Chevy GMC GM Isuzu 20012004 FunctionUsed to replace the injectors This kit includes enough parts to install all 8 injectors MaterialMade of durable copper steel and silicone materials Strong and Tough Rust and corrosion resistance Wear resistance Carefully manufactured to ensure long time service PackageIncludes 16pcs External injector orings 2 for each injector 8pcs Tip washers 8pcs joined banjo washer pairs for connecting return lines to each injector and 2pcs joined banjo washers for connecting the return line on each side to the head Satisfaction GuaranteeIf youre not satisfied with the product simply return it for a refund in 30 days We support 30day refund for return and 12month warranty