Racing Power Water Neck - 1-1/2" ID Hose - O-Ring - Stainless Hardware - Aluminum - Polished - GM LS-Series Mechanical Boost Gauge Amalie Green Elixir is recommended

Amalie Green Elixir is recommended for use in automotive as well as heavy duty applications in the construction

1-1/8 in x 21 Spline

The Falcon Transmission offers the lowest rotating mass of any transmission

7/16-14 in and 7/16-20 in and 3/8-24 x 4

GM Duramax 2001-16

Racing Power Water Neck - 1-1/2" ID Hose - O-Ring - Stainless Hardware - Aluminum - Polished - GM LS-Series Mechanical Boost Gauge Amalie Green Elixir is recommendedProduct 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.