General Technical Questions and Answers last answered over 1 year ago.
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The ET38 (offset will be OK) as will the width (6J is 6" wide) and diameter (15"), are they 5 stud with 112mm PCD? What size is the centre bore hole? Needs to be at least 64mm to clear the front hub grease-caps.
You may need some wheel spacers to fit between the hobs and rims to get the required clearance away from the suspension, also probably need a extended set of studs for the rear hubs, and a long stud conversion for the fronts. Bank on £100 for spacers, studs and new nuts (make sure you get the correct nuts, there are taper seat and radius seat (where the nut contacts the alloy wheel, you can see if has a taper or a "ball" type radius)
Fireturk posts on here, look in for sale section. Top notch bolts/studs and nuts conversions, and spacers if you need `em. Recommended guy, good prices, and a member Also does lowering spring and shock kits.