Chevrolet Performance 7.0L LS7 Crate Engine

$14,000.00 $10,900.00

  • LS-Series small block V8
  • 505 hp @ 6,300 rpm/470 lb.-ft. @ 4,800 rpm
  • 4.125 in. bore x 4.000 in. stroke
  • Forged steel crankshaft
  • Forged titanium connecting rods

Have your engine dyno tested by one of our professional engine builders to ensure everything is properly broken in. We can dyno your engine with your components to make sure everything is working harmoniously before shipping you the whole assembly drained and ready to install.

LS7 7.0L Performance Crate Engine

P/N 19329246

505 hp @ 6,300 rpm / 470 lb.-ft. @ 4,800 rpm

LS7 7.0L Tech Specs:
Engine Type: LS-Series Small-Block V-8
Displacement (cu in): 427 (7.0L)
Bore x Stroke (in): 4.125 x 4.000 (104.8 x 101.6mm)
Block (P/N 12602689): Cast-aluminum with 6-bolt steel main bearing caps
Crankshaft (P/N 12611649): Forged steel
Connecting Rods (P/N 12661677): Forged titanium
Pistons: Hypereutectic aluminum
Camshaft Type (P/N 12638426): Hydraulic roller
Camshaft Lift (in): .591 intake / .591 exhaust
Camshaft Duration (@.050 in): 211° intake / 230° exhaust
Cylinder Heads (P/N 12578449): CNC ported LS7-style ports 70cc
CNC combustion chambers
Valve size (in): 2.200″ titanium intake, 1.610″ sodium-filled exhaust
Compression Ratio: 11.0:1
Rocker Arms: Investment-cast, roller trunnion
Rocker Arm Ratio: 1.8:1 (offset, intake only)
Recommended Fuel: Premium Pump
Maximum rpm: 7,000
Reluctor Wheel: 58x
Balanced: Internal

Recommended Transmission: SuperMatic™ 4L70-E Four-Speed Automatic P/N 19299055

Installation Notes:
– Assembly does not include any electronics
– Use LS7 Controller Kit P/N 19354334 for engine operation. Kit includes electronic throttle pedal, which is required for throttle input to the ECU
– Comes assembled with 14″ Corvette Z06 168-tooth manual transmission flywheel
– LS7 is the same size and mounts the same as other LS-Series engines
– Includes Corvette dry sump oil pan – requires production or aftermarket oil lines and oil tank (not included)
– Use oil hose adapters P/N 25534412 to adapt to AN -12 fittings
– Intended for pre-1976 street vehicles or any off-road vehicle
– Not intended for marine applications

Weight 440 lbs




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