BluePrint Engines ProSeries LS 427 C.I. 625 HP Base Dressed Carbureted Crate Engine

HP & Torque: 625 HP / 550 FT LBS
Compression Ratio: 11:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons
BLOCK:
OEM Block Machined in the USA!
6-Bolt Main
4.060" Bored to 4.069
1-Piece Rear Main Seal
ROTATING ASSEMBLY:
New Forged Crankshaft
4.125" stroke
Forged 6.125" connecting rods
Forged Pistons
Internal
CYLINDER HEADS:
BluePrint Aluminum Cylinder Heads -PS8015
72cc chamber
2.165" intake/1.600" exhaust valves
259cc intake/102cc exhaust runners
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
NOTES:
This engine requires a non-weighted flex plate/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
Does NOT include ignition box. BluePrint Engines recommends MSD 6014 Ignition system on LS1HO setting

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