Discontinued Item: This item is discontinued. Please CALL to see if there is a replacement or an alternative.
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Base Dressed 427ci LS3 w/ Aluminum Heads, Carbureted - 625HP / 550FT LBS Photo Main

HP & Torque: 625 HP / 550 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 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 2.165 intake valves 1.590 exhaust valves Hardened push rods Cam Specs: Roller - .624 intake .624 exhaust lift, 247 intake 263 exhaust duration @ .050, 114 degree lobe sep. Ignition Timing: Ignition box required Also Includes: Carburetor – 850cfm with mechanical secondaries, dual accelerator pumps and mechanical choke Single plane aluminum intake Harmonic balancer Valve covers, retro fit oil pan and timing cover Coil Packs and coil pack harness Crank, cam and MAP sensors 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.

Discontinued Item