Chevrolet Performance CT400 Circle Track Long Block Crate Engines

Factory-sealed Chevrolet Performance CT400 Circle Track long block crate engines are designed specifically for competition. They come with a high-rise single-plane intake manifold, stamped steel valve covers with racing-style breathers, and an 8 qt. dual kickout oil pan. Based on the "Fast Burn 385" street engine, they feature a 1053 forged steel crankshaft, aluminum heads with 2.00 in. intake, 1.55 in. exhaust valves, and hydraulic roller lifters. CT400 long block crate engine specs and features: * 404 hp at 5,600 rpm, 406 lbs.-ft. of torque at 4,600 rpm * 350 c.i.d. * 4.000 in. bore x 3.480 in. stroke * 9.72:1 compression ratio * Cast iron block with one-piece rear seal, 4-bolt main caps * Forged steel crankshaft * Powdered metal connecting rods * Hypereutectic pistons * Hydraulic roller tappet camshaft; valve lift: .474 in. intake, .510 in. exhaust with duration at .050 in. of 208 degree intake, 221 degree exhaust with 112 degree lobe separation * Dual bolt pattern, Fast Burn aluminum cylinder heads with beehive springs, 3/8 in. screw-in rocker studs, 62cc combustion chamber * 1.5:1 ratio full roller aluminum rocker arms * Internally balanced * Maximum GM-recommended rpm: 5,800 * Ignition timing: Base 10 degrees BTDC, 32 degrees total * Black steel valve covers with breathers * Eliminator Vortec intake * Spark plugs * 8 in. nodular iron harmonic balancer * Front timing cover Show Less