Supercharged ZR1 Corvette Supercharged LS9

When the C6 Corvette ZR1 went out of production, so did its unique LS9 supercharged engine. Chevrolet Performance acquired a finite number of them for use as crate engines and when they’re gone, they’re gone!

Rated at 638 hp and 604 lb.-ft. of torque, the LS9 is a beast!

The engine 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.

Our 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 and an external coolant tank to get it running in your project vehicle. It also includes a 9-bolt crankshaft flange that may require an adapter for use with some transmissions.

Specifications:

Power: 638 HP @ 6500 RPM, 604 ft. lbs. of torque @ 3800 RPM
Displacement: 376 CID, 6.2L
Bore x Stroke: 4.065” x 3.622”
Compression Ratio: 9.1:1
Recommended Fuel: 92 Octane
Block: Cast Aluminum with 6 bolt cross bolted main caps
Crankshaft: Forged Steel with 9-Bolt Flange
Connecting Rods: Forged Titanium
Pistons: Forged Titanium
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .562” Intake / .558” exhaust
Cam Duration @ .050”: 211 deg. Intake / 230 deg. Exhaust
Lobe Separation: 122.5
Cylinder Heads: Aluminum L92/LS3 style ports
Combustion Chamber: 68cc
Valves: 2.160” Titanium Intake/ 1.590” Exhaust
Rocker Arms: Cast Roller Trunnion, 1.7:1 Ratio
Balance: Internal
Reluctor: 58X
Maximum GM Recommended RPM: 6600
GM Recommended Torque Converter Stall 2400-2800

Engine Includes:

Ignition Coils, Coil Harness, Plug Wires and Spark Plugs
OE Production Chevy Corvette ZR1 dry sump oil pan
Exhaust Manifolds
High-Helix (twist) design Sixth-Generation Supercharger
Injectors and DBW Throttle Body
GM Intercooler Fluid Pump
14” Manual Trans Flywheel
Harmonic Balancer Pulley
Aluminum Water Pump
Sensors, Oil, Temp, Knock, Cam & Crank
Oil Filter
Passenger Side RH Oil Dipstick and Tube


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Chevy LS 376 638HP Crate Engine 19260165

Product Information

  • $17,322.00


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