For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves
For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves is a complete 16-valve kit priced at $43.15. Made for MZR 2.3L engines, it replaces worn valves to restore engine performance and compression in daily drivers and high-mileage vehicles.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- Precision 35mm intake, 30mm exhaust heads
- 6mm stem diameter for secure guide fit
- 103.5mm intake, 104.7mm exhaust length
- Complete 16-valve set (8 intake + 8 exhaust)
- OEM-spec for MZR 2.3L DOHC 16v engines
- 100% brand new high-quality steel
- Fits 2006–2013 Mazda CX-7 and related models
Pros
- +Full valve set at competitive price
- +Exact OEM dimensions for reliable fit
- +New construction ensures durability
Cons
- −No installation hardware included
- −Requires mechanical expertise to fit
About For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves
What is For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves?
This is a full set of OEM-spec intake and exhaust valves designed specifically for the 2.3L MZR DOHC 16v inline-4 engine found in select Mazda models from 2006 to 2013. The kit includes 8 intake and 8 exhaust valves, providing everything needed for a complete valve replacement during head rebuilds or performance overhauls. Each valve is brand new, precision-engineered to match factory dimensions for reliable fitment and sealing. Ideal for mechanics restoring engine efficiency, this set supports proper combustion and airflow in high-performance and standard applications alike.
Key features
- Precision Dimensions — Intake: 35mm head, 6mm stem, 103.5mm length; Exhaust: 30mm head, 6mm stem, 104.7mm length.
- Complete Kit — Includes 8 intake and 8 exhaust valves for full engine rebuild.
- OEM Compatibility — Matches specifications for Mazda MZR 2.3L DOHC 16v engines.
- High-Quality Build — 100% new, durable steel construction for heat and wear resistance.
- Direct Fit — Designed for 2006–2013 Mazda CX-7, 2007–2013 Mazda 3, and Speed models.
- Cost-Effective — Affordable alternative to dealership parts without sacrificing reliability.
- Easy Verification — Visual match to factory parts; use reference photos to confirm fit.
Who is For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves for?
This valve set is ideal for DIY mechanics, auto shops, and Mazda enthusiasts rebuilding or repairing MZR 2.3L engines. It suits users restoring high-mileage vehicles, addressing valve wear, or upgrading engine internals. Whether fixing misfires, poor compression, or preparing for performance tuning, this kit delivers reliable components for long-term engine health. It’s especially valuable for owners maintaining older Mazdas where OEM parts are scarce or costly.
How does For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves compare?
Compared to standard polypropylene or generic replacement valves, this set offers exact OEM dimensions and durable metal construction for superior heat resistance and longevity. It outperforms basic repair kits that lack full sets or precise tolerances. While performance aftermarket valves may offer upgraded materials, this kit strikes a balance between affordability and reliability for routine rebuilds. It’s a smarter choice than salvaged parts, ensuring consistency across all 16 valves.
Best use cases
- →Rebuilding worn MZR 2.3L cylinder heads
- →Replacing burnt or leaking exhaust valves
- →Restoring compression in high-mileage engines
- →DIY engine overhaul for Mazda CX-7
- →Performance rebuild prep for tuning
Is For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves right for you?
This valve kit is best for experienced DIYers or professional mechanics rebuilding MZR 2.3L engines. It’s ideal when replacing damaged valves during head work. No installation tools or hardware are included, so ensure you have the proper valve service tools. For those avoiding used parts, this new set offers reliability. Comparable to OEM but more affordable, it’s a solid upgrade over salvage-yard components.
How it compares: Compared to used or salvage valves, this set offers consistent quality and new construction. It matches OEM specs better than generic kits and costs less than performance-grade stainless or titanium valves, making it ideal for standard rebuilds.
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What vehicles fit this intake and exhaust valve set?
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This set fits 2006–2013 Mazda CX-7, 2007–2013 Mazda 3, 2007–2009 Mazda Speed 3, and 2006–2007 Mazda Speed 6 with the 2.3L MZR DOHC 16v engine. Always verify your engine code is MZR before ordering.
Does this kit include both intake and exhaust valves?
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Yes, the kit includes 8 brand new intake valves and 8 exhaust valves, providing a complete set for both cylinder heads of the 4-cylinder MZR engine.
How do I know if these valves match my engine specs?
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Check your engine's valve specifications: intake valves are 35mm head, 6mm stem, 103.5mm length; exhaust valves are 30mm head, 6mm stem, 104.7mm length. Compare with your old valves or service manual.
Is professional installation required for these valves?
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Yes, valve replacement requires cylinder head removal, precision tools, and knowledge of valve seating, clearance, and timing. It's not recommended for beginners without mechanical experience.
Can these valves be used for performance engine builds?
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These valves meet OEM specs and are best for stock or mild rebuilds. For high-performance builds, consider upgraded materials like stainless steel or titanium for better heat and stress resistance.
How much does For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves cost?
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For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves is $43.15 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves in stock at Lab Work Auto?
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Yes, For 06-13 Mazda CX-7 2.3L 4Cyl. DOHC 16v MRZ Exhaust and Intake Valves is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-7847