Quote:
Originally Posted by sjf911
Which coils are these?
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They are the ones I am referring to below.
I did a test fit last night to check how well the Kawasaki (Denso) coils fit our engines. Net-net...amazingly well.
Length: Very good; comparable to Beru plug leads.
Fit: You have to unscrew the spark plug terminals to expose the threaded ends on the plugs for these to attach. The coils, as a result, grab on tight and don't let go. I don't foresee these things letting go.
Plug hole size: The coils are quite a bit wider than the stock plug wire leads,
but are still small enough to accept the Beru rubber surrounds.
Summary: These things fit great, hold great and look damned close to stock when using the rubber plug surrounds. I do not see any issue with these, in terms of fitment. If you are worried, it would be easy fabricate a bent sheet metal piece, attached to the closest head cover nut as extra insurance on the bottom plugs.
I say use them! Here are some crappy camera pics to illustrate.
Without rubber surround:
With rubber surround:
For reference, the ones I tested with are the newer Kawasaki ZX9/ZX12 coils. There seem to be several variants between the different bikes - the earliest ZX6 coils look a bit longer, so I'd avoid them as I think these fit awesome. Here are some reference shots of the Denso part number and side profile:
BTW, I have come up with a method using the stock valve covers and the Boxster Beru "bolt down" types of COP, which should be incredibly easy to execute. This will allow these to be bolted cleanly to the valve cover and should satisfy those out there that are "Porsche parts or no parts" in dememanor.
I am going to pick up a used Beru COP to test it, then report back.