OEM AcDelco, fits great. I would recommend buying them from Amazon and not anywhere else. If you put headers like me, use them. You save your plug wires. They won't work with MSD wires on Vortec, but I believe Taylor wires will work. I have this ceramic coating along with long Kooks 1-7/8 tubes.
820Pcs Car Push Retainer Clips & Fasteners Assortment - Ford GM Toyota Honda Chrysler BMW Benz Nissan Subaru Audi Mazda
32 Review
25Pcs Fender Liner Screws For Toyota Avalon Camry Corolla Scion Lexus - OEM #90159-60498
35 Review
Replace Car Bumper Clips: GOOACC 100Pcs For Nissan, Mazda And Infiniti, Including Fastener Remover
33 Review
Upgrade Your Mazda MX-5 Miata With CravenSpeed'S USA-Made Door Bushings
39 Review