Just rebuilt by professional engine builder. 383 CI, 378 HP, 410 lb-ft. Dyno tested and documented. Engine has no mileage since rebuild. New Summit 1 piece rear seal. Fully machined block, Keith Black pistons, Eagle forged crank shaft and rods, new ARP bolts. Competition Cam cam and roller wipers. Comp Cams roller chain and gears. New Summit Vortec cylinder heads and intake manifold. Roller rocker arms. New Edelbrock Thunder carb. Petronics HEI plugs and leads. Melling high volume oil pump. $5K invested in parts.