This long block assembly includes a block, crank, rods, pistons, timing chain, standard rocker arms, roller tappets, push rods, oil pump and pickup, oil pan, valve covers, front cover, water pump, damper, flywheel, spark plugs. Included with this assembly are: Ford Racing GT-40X aluminum cylinder heads, which yield 9.0:1 compression ratio and flow significantly better than production 5.0L HO heads. Ford Racing GT-40 valve train kit which includes Springs, retainers, keepers, seals and premium stainless steel swirl polished valves (1.94/Intake, 1.54/exhaust) with undercut stems. High performance hydraulic roller camshaft which provides significant horsepower increases above 2500 rpm and good low-end torque. Valve lift is .498'' on both intake and exhaust. Duration at .050'' is 220 degrees on both the intake and exhaust.