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GM Gen V LT1 Head Flange
GM Gen V LT1 Head Flange
UPP009765 by Silicone Intake Systems
Retail Price: $99.99
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$23.00 (23%)
$76.99
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This head flange is for the Generation V Chevrolet LT1, LT4, L83, and L8B engines. These high quality made in the USA flanges are 1/2 inch thick made from 1018 steel. They feature full 3D CNC porting ensuring a smooth transition from the port shape to the runner piping without the need for porting/crushing the piping. The face of the flange features a 0.1 inch recess to help concentrically locate the runners, perfect for 1-1/2 inch SCH10 manifolds.