Supertech black-nitrided exhaust valve set for Toyota MR2 3S-GTE engines, supplied +0.5mm oversize and sold as a set of 8. These exhaust valves combine a high-temperature-capable alloy with a nitride surface treatment and a modest oversize to match seat machining done during MR2 head rebuilds, providing replacement components suited to turbocharged 3S-GTE exhaust conditions.
Supertech Toyota MR2 3SGTE Black Nitride Exhaust Valve - +0.5mm Oversize - Set of 8