Far as I know, the only "approved" ones are the Champion platinums. I put them in with no problems. There are others that don't have a tapered seat - your money, but I wouldn't.
Only problem is the hassle of getting at the plugs - it's such a PITA, that I suggest replacing the wires at the same time (I got Crane's from RaceAndStreet) - I did it in two steps because plugs didn't cure a miss I had, it was the wires, so I removed intake manifold twice.[xx(]
3 "tips" - 1. Gap the plugs (0.050") the ones I had were off quite a bit right out of the box 2) Anti-seize on the plug threads. 3) Dielectric grease on inside & outside of plug "boots" that go into the head.
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\'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler, E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5\", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar.
Traded in \'02 Silver Touring Edition w/87,000 miles
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