Spectre Performance 7490 Red/Blue Stainless Steel Sleeving Kit Radiator hose sleeving fits 1-1/2" I.D. hoses (O.D. up to 2.5"), heater hose sleeving fits hoses up to 1-1/4" O.D., fuel hose sleeving fits hoses up to 3/4" O.D., vacuum hose sleeving fits hoses up to 3/8" O.D., Red/Blue Magna-Clamp Hose fittings #304 grade stainless steel braided hose sleeving kits costs only a fraction of what "AN-size" steel braided hose will cost. Stainless steel hose sleeving can be easily cut to length. Hose fittings feature durable anodized housing