LS7

505 HP @6,300 RPM /470 LB-FT TORQUE @6,300 RPM
price: $16,171
part number: 19329246
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    A living legend with 427 classic cubic inches In the annals of high-performance engines, the Corvette Z06’s LS7 will be remembered as a benchmark in naturally aspirated power. It will also go down as one of the most popular LS crate engines ever offered, with 505 horsepower and 470 lb-ft of torque. Within its classic 427-cu.-in. displacement, engineers extracted big-block grunt from its high-revving small-block package. It 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 the 2.20-inch titanium intake valves. Chevrolet 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 log-style exhaust manifolds. Use our LS7 controller kit (P/N 19258553) to get it running in your project vehicle.

    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 12611649): Forged steel
    Connecting Rods (P/N 12661677): Forged titanium
    Pistons: Hypereutectic aluminum
    Camshaft Type (P/N 12638426): Hydraulic roller
    Camshaft Lift (in): .593 intake / .588 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 Recommended rpm: 7,000
    Reluctor Wheel: 58x
    Balanced: Internal

    • 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" Camaro Z/28 168-tooth manual transmission flywheel
    • LS7 is the same size and mounts the same as other LS-Series engines
    • Includes Camaro Z/28 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

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