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Chevrolet Performance 7.0L LS7 Crate Engine

Brand: Chevrolet Performance

Part Number: 19329246

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$14,169.00

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LS7 7.0L Chevy Performance Crate Engine

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

 

A Future Classic

The Chevrolet Performance LS7 7.0L has quickly become a benchmark in naturally aspirated power. It powered Chevy's world-beating C6 Corvette Z06, and has become a popular engine for enthusiasts who want its uncompromising performance in their project vehicle. It’s a hot-rodder’s dream at 505 hp with 470 lb.-ft. torque! 

Within its classic 427 CID, this GM crate motor features a unique, big-bore cylinder block that is anchored with a forged crankshaft, featherweight titanium connecting rods and friction-coated pistons. But it’s the airflow capability of the 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.

Chevy Performance’s 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 exhaust manifolds. Use our LS7 controller kit P/N 19258553 to get it running in your project vehicle.

19329246 Chevrolet Crate Motor

LS7 7.0L Tech Specs:
Part Number: 19329246
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 12641692): Forged steel
Connecting Rods (P/N 12586258): 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 19258553 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