LS9

638 HP @6,500 RPM/ 604 LB-FT TORQUE @3,800 RPM
price: $23,254
part number: 19260165
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    World-conquering supercharged performance from the Corvette ZR1 Chevrolet Performance is thrilled to offer the LS9 6.2L supercharged in a fully dressed crate engine package that includes every one of the Corvette ZR1’s 638 horsepower. The LS9 is a technological marvel. High-rpm-validated lightweight reciprocating parts, including titanium intake valves, are used along with high-flow cylinder heads that draw the charge forced on them by a sixth-generation supercharger. It has a high-helix (twist) design that helps the “blower” deliver greater power at the low end and sustains it longer through the rpm band for broad, on-demand power, whether off-idle or at speed. Chevrolet Performance’s LS9 crate engine assembly includes the dry-sump oil pan and provisions for the charge cooler’s liquid cooling system. You’ll need an external oil tank,* external coolant tank* (for the charge cooler), and ECU/wire harness to get the baddest production LS engine of them all up and running in your project vehicle. It also includes a nine-bolt crankshaft flange that may require an adapter for use with some transmissions. *Not currently available from Chevrolet Performance. Check with your Chevrolet Performance dealer for updates.

    Part Number: 19260165
    Engine Type: LS-Series Gen IV Small-Block V-8
    Displacement (cu in): 376 cu in (6.2L)
    Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm)
    Block: Cast-aluminum with 6-bolt, cross-bolted main caps
    Crankshaft: Forged steel with 9-bolt flange
    Connecting Rods: Forged titanium
    Pistons: Forged aluminum
    Camshaft Type: Hydraulic roller
    Valve Lift (in): .562 intake / .558 exhaust
    Camshaft Duration (@.050 in): 211° intake / 230° exhaust
    Cylinder Heads: Aluminum L92-style ports; as cast with 68cc chambers
    Valve Size (in): 2.160 titanium intake / 1.590 hollow, sodium-filled exhaust
    Compression Ratio: 9.1:1
    Rocker Arms: Investment-cast, roller trunnion
    Rocker Arms: Investment-cast, roller trunnion
    Rocker Arm Ratio: 1.7:1
    Recommended Fuel: Premium pump
    Maximum Recommended rpm: 6,600
    Reluctor Wheel: 58x
    Balanced: Internal

    • 14" manual transmission flywheel included
    • Assembly does not include any electronics
    • Use LSA Engine Controller Kit for engine operation
    • Forged pistons with oil-spray cooling
    • Includes Corvette dry sump oil pan – requires production or aftermarket oil lines and oil tank (not included)
    • Intended for pre-1976 street vehicles or any off-road vehicle
    • Not intended for marine applications
    • Crankshaft has unique 9-bolt flywheel mounting pattern

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