These are genuine Motorcraft replacement spark plugs for your 1979-95 Ford Mustang 5.0/5.8L using aftermarket cylinder heads. These spark plugs are copper replacement spark plugs for your 79-95 Mustang 5.0/5.8L using SVE, Trick Flow/TFS, AFR, Edelbrock, Patriot or FRPP Z304, GT40X 306 & 307 aluminum cylinder heads.
This Motorcraft AGSP32C spark plug is a direct cross-over for Autolite 3924 & Champion RC12YC
Fits 1979-95 Mustang 302/351 with aftermarket cylinder heads
Ford Motor Company Genuine Parts, Motorcraft® Parts and Ford and Motorcraft Remanufactured Parts are all excellent choices when it comes to performance, longevity and value for your Mustang or SVT Lightning. And they’re all backed by a Ford Motor Company limited parts warranty*, so you know their parts you use are going to perform like they should. Put the same parts on your Lighting & Mustang that came from the factory! Shop LatemodelRestoration.com for Motorcraft oil, oil filters, friction modifier, spark plugs, and many other replacement maintenance items!