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The Ferrea Super Alloy +1mm exhaust valve set for Nissan VG30DETT applications supplies twelve oversize exhaust valves. Each valve measures 30.5mm head diameter, 6mm stem and 103.65mm overall length with a 25° seat angle and a flow profile. Sold as a set of twelve, the +1mm sizing supports porting or modified exhaust flow requirements while matching VG30DETT head geometry.
Ferrea Nissan VG30DETT 30.5mm 6mm 103.65mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 12
