me and a few customers started out with only this to break 300whp! stock ls motor with ARP rod bolts,vtec head of your choice,450-560cc dsm injecors from turbo talon,eclipse or 560s from an evo with driver box from older civic/integra obdo car, the 450ccs net around 275+whp at about 90% duty cycle and the 560ccs go to around 335+whp,and i recommend head studs cause some of us got head lift some didnt i ran em so i didnt!lol. stock head gasket.stock valve train,valves and springs and stuff are good for pretty high hp numbers. and most importantly get chipped n tuned mine was done by scotty at mainstream and tuned on crome gold! good luck and remember research,research,research! also you can do this even with all stock parts but will be more reliable this way if your funds permit!
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