Valve Sizes

[s350tt]

i am trying to find the valve sizes for the stock 2.5 that was in the 89 s-10s and s-15s i am looking to build a mini-stock truck and that is the engine i would run if i can get the power i want out of it

[intercepter]

i had a \'91 2.5 H.O. and the valve sizes were 1.94/1.56, it also came with the roller cam.