M12x1.0 to AN-12

This TightFit M12x1.0 to AN-12 adapter is CNC machined from billet aluminium and finished in raw machined. It’s a metric thread-to-flare adapter for OE-style ports, suited to OE fuel, oil and coolant port connections. Like every TightFit fitting, it’s manufactured to strict tolerance control and backed by our 2-year limited warranty.