5.3 LS LM7 Long Block With 799 Heads Iron block still has the stock bottom end with 799 heads with rocker trunnion upgrade. Has BTR camshaft, springs and titanium retainers with motion raceworks valve covers, also has aluminum moroso oil pan, aftermarket balancer, starter, TCI flexplate, remote coil mounts and coil packs as well as a alternator will even give you the engine stand it’s sitting on! Also has brand new oil pressure, crankshaft and camshaft sensors!