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SKU: 3059-8
GSC P-D Mazda Miata 1990-2005 1.6L/1.8L Intake/Exhaust Valve Guide Set - Set of 8
GSC Power-Division offers this set of 8 manganese bronze valve guides for intake and exhaust valves on Mazda Miata 1.6L B6ZE-RS and 1.8L BP engines. Designed for 1990-2005 Miata models including NA and NB generations. These guides deliver consistent heat dissipation and seal for demanding engine builds.
Key Features
- Manganese Bronze Construction: Transfers heat efficiently from valve stems to reduce wear during extended high RPM operation
- Precision Tolerances: Maintains tight stem-to-guide clearance to prevent valve wobble in boosted or high-revving setups
- One-Piece Design: Provides structural integrity that resists cracking under extreme cylinder pressures
- Direct OEM Replacement: Matches factory dimensions for BP engine cylinder heads without machine work
- Complete Set of 8: Includes 4 intake and 4 exhaust guides for one DOHC cylinder head rebuild
Product Notes
- Inspect valve stems for compatibility during cylinder head service
- Clean cylinder head thoroughly before guide installation
- Packaged in protective tube to prevent damage in transit
Installation Notes
- Professional installation recommended.
- Valve guides install using freeze-fit method with liquid nitrogen and hydraulic press
- Compatible with stock valves and GSC oversized valves up to +1mm
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1993 | Mazda | Miata | 1.6L |
| 1994-1997 | Mazda | Miata | 1.8L |
| 1999-2005 | Mazda | Miata | 1.8L |
Why Choose GSC Power-Division?
- Developed for racing teams in Mazda endurance and drag applications
- CNC machined from premium alloys for consistent quality
- Backed by decades of valvetrain engineering expertise
Frequently Asked Questions
-
Q: Will this set fit both NA and NB Miata cylinder heads?
A: Yes covers all BP-series 1.6L and 1.8L engines in 1990-1997 NA and 1999-2005 NB Miatas -
Q: What makes these guides different from OEM?
A: Manganese bronze material offers better thermal conductivity and strength for performance engines versus stock phosphor bronze -
Q: Is there a warranty on these valve guides?
A: GSC Power-Division provides a limited lifetime warranty against manufacturing defects when installed by certified professionals
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Compact protective tube inside 6 x 4 x 1 inch box
- Weight: 0.35 lbs
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