Supertech Intake Valves Black Nitride for 6G72 3000GT Head Diameter:35.5mm (+.5) short-runner intake manifolds provide top-end

short-runner intake manifolds provide top-end power gains but suffer in the mid-range

The original design did not include the diff stubs

and a stopwatch function that can be used for lap timing

Combining these advanced design features with aerospace quality production and shotpeening results in a high performing

Fuel flowing through the Venturi creates vacuum in the perpendicular port

Supertech Intake Valves Black Nitride for 6G72 3000GT Head Diameter:35.5mm (+.5) short-runner intake manifolds provide top-endDiscontinued: We are sorry, this product is no longer available. Fits these Applications: 1991 1999 3000GT & Stealth VR4 6G72 Twin Turbo Supertech valves are made from one piece of forged stainless steel and go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your 6G72 motor. Black Nitride Features: The "Black Nitride" is a hardening treatment that is applied to the