Cylinder Head Smog Thermactor Plugs SBF 351 For Ford Mustang 302 5.0 5.8 For Sale - New and Used

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Cylinder Head Smog Thermactor Plugs SBF 351 For Ford Mustang 302 5.0 5.8:
$9.99

4 Pack Thermactor Plugs for Small Block Ford 302, 351W & 5.0 EnginesThese plugs are ideal if you are fitting a set of emissions-legal cylinder heads onto a non-emissions vehicle. All OEM and aftermarket smog-legal Ford heads feature thermactor holes, with one hole on each side of each head.Each cylinder head requires 2 plugs.Nearly all OEM and aftermarket Small Block Ford heads come with factory thermactor holes. These plugs seal off the holes for non-emission vehicles. They feature internal threading, allowing you to mount accessories as needed.Compatible with GT40, GT40P, Trick Flow, World, AFR and more cylinder heads.For price reference: Summit Racing and Trick Flow charge nearly $10.00 for a single plug!Plugs may arrive in silver finish or black hardcoat finish. Both versions perform exactly the same.Photos show a plug installed onto a cylinder head to demonstrate proper, intended application.Important: I added a picture of a plug installed in a head. This is the intended use of these plugs. These plugs do not work as 02 sensor plugs.Thank you for viewing our listing!