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The Supertech +1mm black nitrided intake valve for Nissan CA18DET applications is a single replacement intake valve offered for direct engine rebuilds or performance refreshes. Finished with a black nitride coating, it resists wear and provides dependable sealing for high-revving four-cylinder setups. Supplied individually, this valve matches the CA18DET specification for size and fit where +1mm intake valves are required.
Supertech Nissan CA18DET (Size +1mm) Black Nitrided Intake Valve - Single (Drop Ship Only)
