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Product Description
Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout.
Fits all NA & NB Miatas — 1.6L and 1.8L
Fix what Mazda overlooked. Our Coolant Reroute Kit corrects the factory cooling imbalance by redirecting coolant flow to the rear of the cylinder head—where it should’ve been from the start. Precision-built for performance, reliability, and ease of install, this kit is ideal for both street and track Miatas.
Key Features:
- Precision Engineering
CNC machined from premium 6061 aluminum and finished in a beautiful blue anodize with laser-etched branding. Strong, lightweight, corrosion-resistant—and it looks incredible in your engine bay.
- Streamlined Coolant Flow
A true one-piece housing eliminates unnecessary junctions and sharp turns for a straight, efficient flow path. Less turbulence, fewer potential leak points, and better overall performance.
- Compact, Low-Profile Design
We kept the design sleek and compact so it’s not the highest point in the system, eliminating the need for a rear bleeder screw. This reduces potential leak points and makes bleeding the system easy—right from the radiator.
- Comprehensive Installation Kit
Everything you need is in the box:
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Block-off plate for the front water neck
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All hose clamps and fasteners
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High-quality silicone upper radiator hose, more durable and heat-resistant than rubber
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Our custom aluminum S-bend coupler to prevent kinks in tight engine bays, especially near the radiator inlet and intake charge pipe—an issue that plagues other kits
- Optimized Performance Thermostat
Includes a 195°F thermostat, right in the sweet spot for making reliable power without sacrificing cooling.
- Aftermarket Gauge Ready
An integrated 1/8” NPT port makes it easy to add a water temp sensor for your aftermarket gauge—no need to drill or tap anything.
- Not EGR Compatible (By Design)
Because of the compact housing, this kit is not compatible with Miatas running EGR. But if you’re serious about performance, you’ll want that gone anyway. We offer EGR Block Off Plates separately to complete your track-ready setup.
