Please, someone tell me whitch ones are best to use on an internally stock 350tpi. Stock cam, heads, slp runners, ported plenum, 3" exaust and headers. There are just so many diffrent types!!!!

If it's an 87+ engine you need self aligning rockers. The comp pro magnums made of steel are the stongest and effectively lightest, as well as narrow bodied to clear valve cover baffles. Crane golds work too, but are aluminum and thus are more likely to stress fracture over time. For the same price, run the steel.

Thank's ED for the info, that's exactly what I needed to know!!

Do these help performance, and do I need to change the spring's??

if ur engine is internally stock, there may be a lot better things to spend ur money on unless u really need new ones...or check out some nice roller tip rockers or even replacement stock ones...they are gonna cost u decent money u could spend elsewhere when new rockers wont make much of a difference o na stock engine...new springs will be the same story, if u are not having problems with them, worry about something else unless u replace ur entire valvetrain and cam, then do everything at the same time...

hey Ed, would you recomend me going with the pro mags, or just the mags with my zz4 cam/sr head combo?... also, should i look into getting new push rods?