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Base Dressed 427ci LS3 w/ Aluminum Heads, Fuel Injected - 625HP / 565FT LBS Photo Main

HP & Torque: 625 HP / 565 FT LBS Compression Ratio: 11.0:1 Aluminum Heads Forged Pistons Roller Cam Forged Crank Block: New GM LS3/L92 Aluminum Block! Rotating Assembly: Forged Steel Crankshaft Forged Mahle Pistons Forged I beam rods Mahle performance rings Balanced Rotating Assembly Oil pump Hydraulic roller cam Premium single true roller timing set GM factory roller rockers with upgraded full roller trunion Cylinder Heads: New GM L92/LS3 Aluminum Cylinder Heads Chrome moly retainers and spring locators Dual Coil .650" lift valve springs 2.165 swirl polished intake valves 1.590 swirl polished exhaust valves Hardened push rods Cam Specs: Roller - .624 intake .624 exhaust lift, 239 intake 255 exhaust duration @ .050, 114 degree lobe sep. Ignition Timing: ECM supplied with calibration Also Includes: 90mm DBW throttle body LS3 intake manifold 42# injectors and returnless fuel rail Harmonic balancer Valve covers, retro fit oil pan and timing cover Coil Packs All sensors required for engine to run Spark plug wires & wiring harness Dyno tested & shipped with results Warranty: 30 month / 50,000 mile Notes: This engine requires a non-weighted flexplate/flywheel. Recommended Fuel: 91 Octane BluePrint Engines recommends a 2200+ RPM stall converter. Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars

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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$11585.00 Each