BluePrint Engines Low Profile GM 383 C.I.D. 436 HP Dressed EFI Long Block Crate Engines

BluePrint Engines low profile GM 383 c.i.d. 436 hp dressed EFI long block crate engines are fully Dyno tested, passed vigorous inspections, and are prepared to power up your project. These GM compatible engines are designed with a small diameter harmonic balancer, small cap distributor, and drop base air cleaner for vehicles with low firewall or hood clearance. They are a great choice to replace your tired old factory engine with fuel-injected performance. They are offered with or without front accessory drive kit. Features, specs, and contents: * Horsepower and torque: 436 hp/443 lb.-ft. * Cast iron block * 4-bolt main * 4.00 in. bore * Cast steel crankshaft * 3.750 in. stroke * OEM-type 5.700 in. connecting rods with 150,000 psi bolts * Hypereutectic pistons * Aluminum cylinder heads--64cc chamber * 2.02 in. intake/1.60 in. exhaust valves * 195cc intake/75cc exhaust runners * Hydraulic roller cam * .544 intake/.555 exhaust * 230 intake/236 exhaust duration at .050 * 110 degree lobe separation * Holley Sniper EFI, Premium vintage valve covers and air cleaner, aluminum intake manifold, oil pan, timing cover, spark plugs and under header spark plug wires, small cap ready-to-run distributor with tach drive and coil, harmonic balancer * 30 month/50,000 mile warranty Show Less