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The Supertech black nitrided intake valve for Toyota 4A‑GE 20V engines is a single replacement offered at +1mm oversize for engine rebuilds and valve seat machining. Sold individually, the oversize gives the extra margin needed for recutting seats. The nitrided finish is specified, aligning the part with common service workflows for intake valve replacement.
Supertech Toyota 4AGE 20V Black Nitrided Intake Valve - +1mm Oversize - Single
