Forged Crank, Forged Rods, Forged Aluminum Piston,  Pro-Series LS3 427CID 625 HP 550 TQ Carbureted Deluxe Swap Crate Engine


Power: 625 HP, 550 ft. lbs. of torque
Displacement: 7.0L 427 CID
Bore x Stroke: 4.000” x 4.125”
Compression Ratio: 11:1
Recommended Fuel: 91-93 Octane
Block: Brand New GM Aluminum
Crankshaft: Forged Steel 6-Bolt Rear Flange
Connecting Rods: Forged 6.125”
Pistons: Forged Aluminum
Camshaft: Hydraulic Roller Tappet, 3-Bolt
Cam Lift: .624” Intake / .624” exhaust
Cam Duration @ .050”: 247 deg. Intake / 263 deg. Exhaust
Lobe Separation: 112 Degree, 111 ICL
Cylinder Heads: New BluePrint LS3 Performance Aluminum
Combustion Chamber: 72cc
Valves: 2.165” Intake/ 1.590” Exhaust
Valve Springs: Upgraded HD Dual, .650” Max. Lift
Rocker Arms: Upgraded Trunnion GM Aluminum Roller, 1.7:1 Ratio

Balance: Internal Front Internal Rear
Recommended Torque Converter Stall 2200-2800

Engine Includes:

Ignition Coils with Harnesses
Spark Plug Wires & Spark Plugs
Valve Covers
Retro Fit Muscle Car RWD Oil Pan
Harmonic balancer
Timing cover with Cam Sensor & Harness
Crank Sensor
Map Sensor
Aluminum Single Plane Intake Manifold
AED 4150 850CFM , Mechanical Seconderies, Manuel Choke, Carburetor
Dyno test results shipped with engine

Notes: Requires Timing Control Box GM# 19171130 or MSD# 6012.

Warranty: Limited 30 month / 50,000 mile parts & labor warranty

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Chevy LS 427 625HP Crate Engine PSLS4270CTC

Product Information

  • $10,499.00

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