1972 fresh rebuild 454 ci big block chevy engine. .030 fresh over bore with torque plate.460 ci now. ( standard) forged gm crank & rods checked & polished.rebalanced with new balancer & flex plate.new keith black hyperteck pistons & moly speed pro rings.9 to 1 compression. pump gas engine.new mains-rod- & cam bearing-oil pump & pickup.new howard 510 lift hydraulic cam & direct oil feed lifters -& matching valve springs.timing set. rebuild oval port heads-new valves -hardened seats-guides.new roller tip rocker arms.3/8 push rods.guide plates. dual plate alum intake.engine has been on run in stand 30-40 mins.only.ready to go with your ignition-carb-water pump. i have paper work & blue print paper work with engine. professionally build.