hey guys i will be rebuilding my 98 ls1 like in 3 months before going turbo.now im not rich so i want advice and nice affordable parts that will hold tops 650 rwhp

-baerings (what brand good ****)
-rods (what brand good ****)
-pistons (what brand good ****)


also if my crank were to have a spun bearing is it fixable?if so do i need like diffrent size bearings rods exc?if not fixable were can i buy a ls1 stock crank used or new in good condition.also i need specs on the bearings and what piston will match with what rods exc i have the vavletrain parts already and for the gaskets should i get felpros or gm's?