I have the v8-300 '65skylark I've decided to stay with this engine, but i want to rebuild it to get some power out of it. Which rebuilt kit would be better: Northern Auto Parts $564.20 Master Kit: Cam, Lifters, Timing Set, Pistons, Piston Rings, Rod/Main/Cam Bearings, Oil Pump, Frost Plugs and Gasket Set PST $725 Engine Overhaul Kit: Pin Fitted Pistons, Rod Bearings, Valve Lifters, Rocker Arm Kits,Freeze Plugs, Cam Bearings, Timing Gears and Chain, Complete Overhaul Gasket set, Piston Ring Set, Main Bearings, Push Rods, Oil Pump or Kid, Cam Shaft, Valve Springs with Locks Any suggestions?