PRW Power 90 Degree Water Neck 1-1/2" ID Hose Replacement Aluminum - Natural 36005BK Fuel Map and Learn Function

Fuel Map and Learn Function Smoothing - Helps to smooth rough areas of the maps

Chevrolet: K20 76 - 77 7

Kit is sold unassembled and requires welding

It is available in 5 x 5" and 5 x 4 3/4" bolt patterns with 5/8" coarse or fine thread studs

Note if this product is to be used with aftermarket (tall) EV1 performance injectors:

PRW Power 90 Degree Water Neck 1-1/2" ID Hose Replacement Aluminum - Natural 36005BK Fuel Map and Learn FunctionProduct Description: Water Neck 75 Degree 1 1 2 in ID Hose Replacement Aluminum Natural GM LS Series Sold Individually PRW Industries produces engine components for racing applications such as rocker arms, valve covers and main caps to name a few. These products offer performance gains at a value price.