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Base 383ci Long Block SBC w/ Aluminum Heads, 1pc RMS - 420HP / 450FT LBS Photo Main

HP & Torque: 420 HP / 450 FT LBS Compression Ratio: 10.0:1 Aluminum Heads Hypereutectic Pistons Flat Tappet Cam Cast Steel Crank Block: 4 bolt main 1pc rear seal block w/Passenger side dipstick only Square and parallel decked Align honed main bearing bore Cylinders honed on computer controlled machine to within .0002 straightness and roundness Cylinders are sonic tested for thickness Rotating Assembly: New cast steel crankshaft Flat top hypereutetic pistons Chevy heavy beam rods with 150,000 psi bolts Hastings Moly rings Balanced rotating assembly Melling high volume oil pump Hydraulic flat tappet camshaft Heavy duty double roller timing set Cylinder Heads: BluePrint Performance aluminium Hardened retainers and springs 2.02 swirl polished intake valves 1.60 swirl polished exhaust valves BP Aluminum Part# H8002K For complete head specs, click here Cam Specs: Flat tappet, .480 Intake / .486 Exhaust & 229 Intake / 230 Exhaust duration @ .050 Ignition Timing: 34 degrees total (at 4000 RPM) Also Includes: New chrome valve covers Brass freeze plugs Dyno test results shipped with engine Warranty: 30 month / 50,000 mile Notes: This engine requires a 400ci weighted harmonic balancer, and late 350ci weighted flexplate/flywheel. BluePrint Engines recommends a 2000- 2400 rpm stall converter.

This part fits most 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.

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BPE-33
$3595.00 Each