SKU: C4970-028 | UPC: 191070438401
Cometic Mazda MZR 2.5L 89mm Bore .028 inch MLX Head Gasket
Upgrade your Mazda MZR 2.5L engine with the Cometic C4970-028 MLX head gasket featuring 89mm bore and 0.028 inch thickness. This gasket fits 2004-2009 Mazda 3 S Mazdaspeed SP23 2003-2008 Mazda 6 i Mazdaspeed and 2007-2008 Mazda CX-7 models delivering enhanced combustion chamber sealing and clamp load retention. Engineered for performance builds it prevents bore distortion while maintaining stability under high pressure.
Key Features
- MLX Multi-Layer Stopper Technology: Integrates a stopper layer for precise combustion chamber sealing and increased clamp load around cylinders reducing distortion for consistent performance
- MLS Construction: Built from durable multi-layer steel materials matching Cometic MLS head gaskets for long-lasting reliability in demanding conditions
- No Sealants Required: Installs cleanly without additional sealers ensuring straightforward assembly and immediate usability
- No Re-Torque Needed: Maintains seal integrity post-installation eliminating the need for follow-up torquing
- Exact Specifications: 89mm bore diameter 0.028 inch thickness compressed to 0.027 inch tailored for Mazda MZR 2.5L DISI turbo engines
Product Notes
- Verify engine bore size matches 89mm prior to installation
- Handle with care to avoid surface damage during storage
- Packages in protective envelope for safe transit
Installation Notes
- Professional installation recommended.
- Clean cylinder head and block surfaces thoroughly before installation
- Use OEM or Cometic recommended torque sequence and values
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2008 | Mazda | 3 | Mazdaspeed |
| 2004-2009 | Mazda | 3 | S |
| 2005 | Mazda | 3 | SP23 |
| 2003-2008 | Mazda | 6 | i |
| 2006-2007 | Mazda | 6 | Mazdaspeed |
| 2007-2008 | Mazda | CX-7 | Grand Touring |
| 2007-2008 | Mazda | CX-7 | Sport |
| 2007-2008 | Mazda | CX-7 | Touring |
Why Choose Cometic?
- Trusted by racers and builders for decades in high-performance applications
- Manufactured with advanced sealing materials for extreme boost and heat
- Precision-cut layers ensure perfect fit and function on Mazda engines
Frequently Asked Questions
- Q: Will this fit my 2007 Mazda 3 Mazdaspeed with MZR 2.5L?
A: Yes C4970-028 is direct fit for 2007-2008 Mazda 3 Mazdaspeed 2.5L DISI turbo engines with 89mm bore - Q: What materials are used in this head gasket?
A: Multi-layer steel with integrated MLX stopper layer for superior combustion sealing and durability - Q: Is retorquing required after break-in?
A: No retorquing needed due to the stable MLX design that retains clamp load effectively
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective envelope 12 x 12 x 1 inches
- Weight: 0.6 lbs
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