Racing Power Water Neck - 1-1/2" ID Hose - O-Ring - Stainless Hardware - Aluminum - Polished - GM LS-Series Mechanical Boost Gauge Chrome Color available under 940001

Chrome Color available under 940001

Comes With 2 Drill Bits

GM Duramax 2001-16

1-1/8 in x 21 Spline

Racing Power Water Neck - 1-1/2" ID Hose - O-Ring - Stainless Hardware - Aluminum - Polished - GM LS-Series Mechanical Boost Gauge Chrome Color available under 940001Product Description: Water Neck Straight 1 1 2 in ID Hose O Ring Stainless Hardware Aluminum Polished GM LS Series Sold Individually Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.