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  • After only a few short years, the LS7 7.0L engine of the Corvette Z06 is a legend in its own time. Sure, it’s got more than 500 naturally aspirated horsepower and 470 lb-ft of torque, but the exceptional high-rpm performance and low-end grunt gives this 427-cubic-in combination the great tractability for which LS engines are known and the pulling power expected of a Big-Block with its historic displacement.

The LS7 features a unique big-bore cylinder block that is anchored with a forged crankshaft, featherweight titanium connecting rods and durable, friction-coated pistons. But it’s the airflow capability of the LS7’s cavernous, CNC-ported heads that enables its tremendous power. Large-volume, straight-passage intake runners channel air directly through 2.20-inch titanium intake valves. The mixture is burned in large, 70cc combustion chambers and what’s left exits through 1.61-inch sodium-filled exhaust valves. And did we forget to mention the dry sump oiling system? This is a serious engine for serious enthusiasts.

GM Performance Parts’ LS7 7.0L crate engine package includes a production style engine with the dry sump oil pan. You’ll need to supply the external oil supply and oil lines to the engine, but the rest of the assembly is fully dressed, including the manifold assembly with injectors and electronically controlled throttle body, and log-style exhaust manifolds.

7.0 LS7 Engine | 505HP

$16,599.99 $14,499.99
(You save $2,100.00)
SKU:
LSXE.19244098.129331
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Product Description

After only a few short years, the LS7 7.0L engine of the Corvette Z06 is a legend in its own time. Sure, it’s got more than 500 naturally aspirated horsepower and 470 lb-ft of torque, but the exceptional high-rpm performance and low-end grunt gives this 427-cubic-in combination the great tractability for which LS engines are known and the pulling power expected of a Big-Block with its historic displacement.

The LS7 features a unique big-bore cylinder block that is anchored with a forged crankshaft, featherweight titanium connecting rods and durable, friction-coated pistons. But it’s the airflow capability of the LS7’s cavernous, CNC-ported heads that enables its tremendous power. Large-volume, straight-passage intake runners channel air directly through 2.20-inch titanium intake valves. The mixture is burned in large, 70cc combustion chambers and what’s left exits through 1.61-inch sodium-filled exhaust valves. And did we forget to mention the dry sump oiling system? This is a serious engine for serious enthusiasts.

GM Performance Parts’ LS7 7.0L crate engine package includes a production style engine with the dry sump oil pan. You’ll need to supply the external oil supply and oil lines to the engine, but the rest of the assembly is fully dressed, including the manifold assembly with injectors and electronically controlled throttle body, and log-style exhaust manifolds.

Don’t forget your LS7 Controller Kit! P/N 19243066

Engine Type: LS Series Small-Block V-8
Displacement (cu in): 427 (7.0L)
Bore x Stroke (in): 4.125 x 4.00 (104.8 x 101.6mm)
Block (P/N 19165058): Cast-aluminum with 6-bolt steel main bearing caps
Crankshaft (P/N 12568820): Forged steel
Connecting Rods (P/N 12586258): Forged titanium
Pistons: Hypereutectic aluminum
Camshaft Type (P/N 12571251): Hydraulic roller
Camshaft Lift (in): .591 intake / .591 exhaust
Camshaft Duration (@.050 in): 211° intake / 230° exhaust
Cylinder Heads (P/N 12578450): CNC ported LS7 style ports
70cc CNC combustion chambers
Valve size (in): 2.20" titanium intake, 1.61" 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: 91 octane
Maximum rpm: 7000
Reluctor Wheel: 58X
Balanced: Internal

 

INSTALLATION NOTES

  • Assembly does not include any electronics
  • Comes assembled with 14-inch Corvette Z06 168 tooth flywheel
  • LS7 is the same size and mounts the same as previous LS series engines
  • LS7 Controller Kit P/N 19243066 available for non-Corvette applications. Kit includes electronic throttle pedal, which is required for throttle input
  • to the ECU (see page 288)
  • 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
  • Engine is NOT compatible with LS7 Controller Kit P/N 19166557 due to MAP sensor and throttle body changes

 

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