Ferrea F1846P is a Competition Plus exhaust valve for the Nissan VG30ET, made from Ferrea's Super Alloy high temperature material for the heat a turbocharged exhaust port puts through a valve. The head measures 36.1 mm, the stem 8 mm and the overall length 124.5 mm, with a +1 mm oversize head over the stock valve for more exhaust port area. The same valve dimensions carry across to the SOHC RB30 family. Ferrea supplies this part number as a set of six, one for each exhaust port on the V6.
| Type | Competition Plus exhaust valve |
| Position | Exhaust |
| Material | Ferrea Super Alloy |
| Head Diameter | 36.1 mm |
| Stem Diameter | 8 mm |
| Overall Length | 124.5 mm |
| Size | +1 mm oversize (6 Pack) |
| Quantity | 6 (set of six valves) |
| Part Number | F1846P |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1984-1989 | Nissan | 300ZX | Turbo |
| 1984-1989 | Nissan | 300ZX | Turbo 2+2 |
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