SpeedFactory Racing Billet M28 to -10AN Adapter Fitting
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These fittings can also be used In B-Series cylinder heads for dry-deck type cooling system setups where coolant is running through the cylinder head only (racing applications, see images).
Features:
- Full billet 6061 aluminum
- Precision CNC machined
- Utilizes factory crush washer for ease of installation
For the ultimate crankcase breather setup, pair these fittings with a SpeedFactory Billet B-Series Breather Port Plug (see images) to block off the OEM "black box" breather port.