^^^hit the nail on the head. take whatever your budget is to do this...and pretty much double it to be safe. its not cheap to make a good quality motor that can handle high horsepower. and like he said...that rear end won't take too many poundings with much horsepower

 

Well im going to get this rotating assembly package and a blower cam before i get heads because thats all i can afford right now.I have $4000 for the package, cam, and install.i was just wanting to know if my stock heads will hold the power this is the package not sure what cam yet probally will be custom
Ai Forged 383cid LT1 Rotating Assembly Package Compstar Forged 4340 3.75" Stroke Crankshaft Compstar Forged 4340 H-Beam Rod Mahle Forged Pistons (-5cc, -16cc, or -26cc) Mahle Plasma-Moly 1.5/1.5/3mm Ring Package Mahle Steel Pins & Wire Locks Main and Rod Bearings Included
Here are the mods i already have-procharger (8psi) 1 coreintercooled, 42lb fuel injectors, slp headers, y- pipe no cat with a electrical dump, a full catback borla exhaust system, spec clutch, msd 6al ignition, air foil, rear and lower control arms, aliumnium driveshaft, driveshaft saftey loop,ajustable torque arm and thats preety much it. Just want to know if im going with the best stroker packagethanks guys