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LS3 6.2L Crate Engine

$9,492.73 $7,546.72

  • Standard engine in the fifth-generation Camaro SS and C6 Corvette
  • 430 hp @ 5,900 rpm/425 lb.-ft. @ 4,600 rpm
  • Comes complete from the SS-specific oil pan to the ignition system
  • One of Chevrolet’s best and most versatile engines
  • Exhaust Manifolds NOT INCLUDED

Have your engine dyno tested by one of our professional engine builders to ensure everything is properly broken in. We can dyno your engine with your components to make sure everything is working harmoniously before shipping you the whole assembly drained and ready to install.

LS3 6.2L Crate Motor

P/N 19419862

430 hp @ 5,900 rpm / 425 lb.-ft. @ 4,600 rpm

LS3 Technical Specs:
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 (P/N 12623967): Cast-aluminum with 6-bolt, cross-bolted main caps
Crankshaft (P/N 12685659): Nodular iron
Connecting Rods (P/N 12649190): Powdered metal
Pistons (P/N 19207287): Hypereutectic aluminum
Camshaft Type (P/N 12623063): Hydraulic roller
Valve Lift (in): .551 intake / .522 exhaust
Camshaft Duration (@.050 in): 204° intake / 211° exhaust
Cylinder Heads (P/N 12629063): Aluminum L92-style port; as cast with 68cc chambers
Valve Size (in): 2.165 intake / 1.590 exhaust
Compression Ratio: 10.7:1
Rocker Arms (P/N 12669995 int): Investment-cast, roller trunnion
Rocker Arms (P/N 12681275 exh): Investment-cast, roller trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium pump
Maximum Recommended rpm: 6,600
Reluctor Wheel: 58x
Balanced: Internal

Installation Notes:

– Assembly does not include any electronics
– Use LS3 Controller Kit, P/N 19344328 for engine operation. Kit includes electronic throttle pedal, which is required for throttle input to the ECU
– Includes Chevy SS wet sump oil pan
– Not intended for marine applications
– Front-End Accessory Drive Kits are available in several configurations

Replaces old P/N 19369326 and P/N 19370416

Weight 415 lbs
Brand

Replaces/Supersedes

19301326, 19370416

LS3 6.2L Crate Engine

19419862 Chevrolet Engine

A New Classic!

As the standard engine in the fifth-generation Camaro SS and C6 Corvette, the high-revving, deep-breathing LS3 6.2L is poised to go down in history as one of Chevrolet’s best and most versatile engines. It’s no surprise that enthusiasts and builders have made it one of the most popular LS swap engines.

The LS3 is filled with components designed for high performance and longevity. The aluminum block is filled with a sturdy reciprocating assembly that combines with L92-type rectangular-port heads to deliver a 10.7:1 compression ratio. A high-lift, hydraulic roller camshaft complements the LS3’s tremendous airflow capability and enhances its broad torque curve. Out-of-the-crate Horsepower is 430, with an impressive 425 lb.-ft. torque.

Our LS3 crate engine comes complete from the SS-specific oil pan to the ignition system. It also includes the intake manifold assembly with injectors and throttle body, exhaust manifolds, water pump, balancer, 58x reluctor wheel and 14-inch automatic-transmission flexplate. The SS oil pan doesn’t suit all applications. Use the vehicle-specific oil pan for original LS-powered vehicles or Chevrolet Performance’s Muscle Car Oil Pan Kit P/N 19212593 for older vehicles.

Replaces old P/N 19369326 and P/N 19370416.

Chevrolet Performance LS3 6.2L Crate Engine

Click here to download installation information.

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile (80,000 kilometer) limited warranty.

Click here for more detailed warranty information.

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