MMR Coolant Cross Over Delete 4V (Kit with lines With filler) These Fittings allow you to remove the Coolant crossover metal pipe on ALL 4V applications. Radiator Hose Fitting has threaded holes on top and bottom for factory and aftermarket water temp sensors All fittings use -12 AN size and are designed for street or race use. Includes all parts shown. Great for custom applications where plumbing space restrictions exist. Includes Black Braided hose and fittings. Black Anodized for corrosion resistance. 100% CNC Machined and USA Made by MMR.Learn More