on my car right now i have a GSR block bored out to 82 mm and they are pr3 pistons on GSR rods stock GSR crank balanced ACL race bearings, dual springs titanium retainers comp cams stage two 63402a-2 aem cam gears 440cc injectors holley 255 feul pump feul pressure regulator, some crap headers and thats it shit runs good but not done with the toon i am hoping to hit close to 2 if not 2 but i want to buy mr kidds new header he made but cant afford it!!