3sgte parts ?, Do all years fit ? Options

[celicarus]

Hi

I am looking to purchase performance parts for a 3rd gen 3sgte. When searching online at different websites I started noticing that parts like cam gears, pistons, flywheels, clutches, fuel injectors, and etc. had description for 90-95 3sgte.

Those that have upgraded their 3sgte 3rd gen motors - Does 1st, 2nd gen parts fit on the 3rd gen 3sgte as long as its a 2.0L ? Some sites that I visited don't even have the year of the engine described, just simply 3SGTE as the application desciption, so I'm assuming it fits on any gen motor. Here is an example:
Cam Gears

manifold
this website says it fits all year 3sgte --

any help is appreciated.