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blitz and sard are denso injectors so..

Ohh ok. the reason I asked is cause sard make a 650cc injector but they have an oval plug so its not just a direct replacemnt u have to change the plugs to make them fit, where as the denso 650cc injector has the square plug which is a direct replacemnt, how could this be if there all denso injectors?

I run 550cc Densos, oval plugs (was supplied with plugs, had tuner swap them when they installed the injectors), did have to throw in a couple of copper washers to get them seating properly. Apparently a common issue with old Denso injectors (tuner had come across it before).

I'm going for the same power figure on a R33 and using GReddy 720's, mainly because it has a GReddy fuel rail too.

I think all of those injectors would be fine, so I guess it comes down to your preferred brand and cost.

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