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  • Crate Engine, LS3, 430 HP, GM LS-Series 19432414

Crate Engine, LS3, 430 HP, GM LS-Series 19432414

SKU: 19432414
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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 vehicles specific oil pan for original LS-powered vehicles or Chevrolet Performance’s Muscle Car Oil Pan Kit P/N 19212593 for older vehicles.

TECH SPECS

Part Number: 19419862

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 12597569): 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 12669993 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 19354328 for engine operation. Kit includes electronic throttle pedal, which is required for throttle input to the ECU.

• Includes Chevy SS wet sump oil pan

• Intended for pre-1976 street vehicles or any off-road vehicle

• Not intended for marine applications

• Front-End Accessory Drive Kits are available in several configurations.

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  • Home
  • About
  • Online Store
  • 3D Scanning
  • Video
  • Current Projects
  • Past Projects
    • 1967 Firebird
    • 1957 Belair Convertible
    • 2015 Jeep Wrangler
    • 34 Chevrolet
  • Contact
  • Tour the Shop
  • Manufacturer Partners
  • Product
  • Pontiac Cross Ram Intake