Yes they will
Yes you can.
yes they will !
Not without modification (... but WHY?)
Yes it will, the only difference is that the SC300 is a 6 cyl. and the SC400 is a V8, the body is the same for both.
Not without modification (... but WHY?)
The SC300 and SC400 (but NOT the SC430) are the same body and many of the parts are identical. I do not know for certain, but there is a very good chance that a windshield that fits an SC300 will fit an SC400. They might even be the same part.
Yes
yes they will fit with no problem rubs the fender well in the front a little
How do you install a oil pan gasket on 1995 Lexus sc400
I use the Denso plugs in my SC400
mark 4 supra, Lexus gs300, Lexus sc300 and Lexus is300