The Supertech black-nitrided exhaust valve for Toyota 1GRFE applications is supplied as a set of twelve with a +1mm oversize. The nitrided finish provides enhanced surface durability for exhaust service and the oversize dimension accommodates valve seat work. Supplied in matched sets to help maintain consistent fit and sealing across cylinders during head servicing.
Supertech Toyota 1GRFE Black Nitrided Exhaust Valve- +1mm Oversize - Set of 12