Manley Race Master Exhaust Valves (28mm, Set of 8) - NA8/NB Miata (94-05)
- $211.14
$263.93- $211.14
- Unit price
- per
Vendor: Manley Performance
Manley Race Master Exhaust Valves (28mm, Set of 8) - NA8/NB Miata (94-05)
Vendor: Manley Performance
Manley Race Master Exhaust Valves (28mm, Set of 8) - NA8/NB Miata (94-05)
This is a kit of eight Manley Race Series (Race Master) stainless steel exhaust valves with a 28.00 mm head, made for the Mazda 1.8L BP DOHC 16-valve engine. That is the 1.8L engine of the 1994-1997 Mazda Miata (NA) and 1999-2005 Mazda Miata (NB).
- Quantity: kit of 8 exhaust valves
- 28.00 mm head diameter, 6.00 mm (0.2362 in) stem, 101.52 mm overall length, 3.50 mm tip length
- Stainless steel; Manley uses its XH-426 alloy for Race Series exhaust valves
- Chrome stem and hard tip
- 20 degree dished head, 25.00 degree underhead angle, 11/32 in underhead radius
- 0.065 in margin width and 0.080 in seat width; Manley rates Race Series valves for engines operating under 8000 RPM
Fitment: 1994-1997 Mazda Miata (NA, 1.8L) and 1999-2005 Mazda Miata (NB). Manley lists this valve for the Mazda 1.8L BP engine (BP056 DOHC 16 valve) and names the Miata, but does not publish model years. Manley does not list it for the 1990-1993 1.6L engine. Confirm the 28.00 mm head diameter and the valve length against your cylinder head before ordering.
Part number: Manley 11101-8
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1994-1997 | Mazda | Miata | All |
| 1999-2005 | Mazda | Miata | All |
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