This billet aluminum flange provides a clean, reliable way to block off the front-of-the-head coolant port.
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This kit replaces the factory block-off plug at the front of the cylinder head with a custom adapter, providing a direct and accurate pressure reading.
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Designed specifically for single turbo configurations, this CNC-machined billet fitting replaces the standard cylinder head coolant block-off plug.
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This billet aluminum flange provides a secure, leak-proof seal that eliminates the need for cumbersome rubber caps or "looping" lines.
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The VTT-FAB-040 S58 Block-Off is the ultimate solution for enthusiasts looking to simplify their engine bay during a custom turbo build.
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The definitive solution for BMW S58 owners looking to eliminate the most notorious weak point in their cooling system: the factory plastic connectors.
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Crafted for enthusiasts who demand flexibility and reliability, this kit ensures your oiling system can handle the stresses of high-horsepower builds.
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Dress up your engine bay with new coolant expansion tank caps
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Includes housing and sealing o-ring
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Brand:
ES#:
4669232
Mfg#:
11537502779
Ships on Jun 30, 2026
ON SALE!
$46.99
This product was last offered at the strikethrough price on 05-02-2026
This cooling shroud is not only functional, but the aesthetics of carbon fiber will also improve the overall appearance of your vehicles engine bay.
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Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
