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Base 383ci Long Block SBC w/ Cast Iron Heads (For TBI Trucks '87-'95) 315HP / 415FT LBS Photo Main

HP & Torque: TBI - 315 HP / 415 FT LBS Compression Ratio: 9.5:1 Cast Iron Heads Hypereutectic Pistons Flat Tappet Cam Cast Steel Crank Block: 4 bolt main block bored .040 over 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 1pc RMS Rotating Assembly: New cast steel crankshaft Hypereutetic pistons GM heavy beam rods with 150,000 psi bolts Hastings Moly rings Rotating assembly balanced to within 2 grams Melling high volume oil pump Flat tappet hydraulic lifter camshaft Double roller timing chain Cylinder Heads: New cast iron heads 1.25 diameter valve springs Hardened retainers and springs 2.02 swirl polished intake valves 1.60 swirl polished exhaust valves Hardened push rods HP long slot rockers (rail style) with positive lock adjusting nuts 3 angle valve job Cam Specs: Cam Type: Flat Tappet .435 Intake .454 Exhaust 209 Intake / 216 Exhaust duration @ .050 - 110 degree lobe separation Ignition Timing: Set at manufacturer specifications Also Includes: TBI dual plane Custom programmed ECM specific for your application Timing cover Oil pan Valve covers Brass freeze plugs Dyno tested and shipped with results Warranty: 30 month / 50,000 mile Notes: This engine requires a 400ci weighted harmonic balancer, and late 350ci weighted flexplate/flywheel. When ordering this engine BluePrint Engines will also need you PROM and Service numbers from your vehicle. This engine was designed to run with all stock engine components such as throttle body, fuel pump etc.

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 Trucks; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.

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$4270.00 Each