Does your truck have a distributor or coil packs?

it has the distributer with the single coil

Do as Farmer said and call comp cams...

Be rady for a bunch of Questions like...

Is you truck MAP (Speed Density) or MAF (sequential MPFI) the key is if you have a MAF sensor....

you also want to know what size tires you have and what rear end gears...that info on the gears is on the tag on the cover...

other questions should be simple...

they will give you the optimum choices to achieve your goal...

things you will need....

Cam and lifters.....

Break in lube (and a bottle or 2 of ZDDP additive for cam break in)

Timing chain and gears...you gotta take it off why not replace it..

Front seal...again the cover is off why not...?

Intake Manifold gasket set...you gotta pull it to replace the lifters...

Antifreeze and oil and filter...

An option is the oil pan gasket...you can do the swap just taking teh front of the pan loose and let it hang on the bolts...but if the gasket is old and squishy I would just change it....

which also necessitates dropping the exhaust... which in itself can be fun if the manifold bolts are rusty.....

Do yourself a favor and upgrade your Ignition system &/ a timing bump first. You might forget all about the cam & if not, they'll complement each other!