LS3 430HP Long Block

LS3 430HP Long Block Chevrolet Performance LS-Series Crate Engine 19435106

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430hp @ 5,900 rpm

425 lb.-ft. @ 4,600 rpm

A Contemporary Classic

LS long-blocks from Chevrolet Performance offer the core capabilities of complete crate engines at a lower cost, allowing builders to finish the assembly their way. The LS3 long block is delivered without the intake manifold, coil packs, water pump, exhaust manifolds or other accessories

Destined to go down in history as one of Chevrolet’s most versatile performance engines, the 430-hp LS3 6.2L offers a fantastic combination of modern technology. The LS3 is filled with components designed for high performance and longevity, starting with a sturdy reciprocating assembly that’s matched with L92-type rectangular-port heads and a high-lift, hydraulic roller camshaft. It all optimizes the LS3’s tremendous airflow and supports a broad torque curve.

Our LS3 crate engine comes complete, from the Camaro F-body oil pan to the ignition system. It also includes the intake manifold assembly with injectors and throttle body, water pump, balancer and 58X reluctor wheel. The Camaro F-body oil pan may not suit all installation applications. Use a vehicle-specific oil pan for original LS-powered vehicles or Chevrolet Performance’s Muscle Car Oil Pan Kit P/N 19212593 for older vehicles.

Chevrolet Performance LS3 430HP Long Block Crate Engine 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 (see catalog)
• Includes Camaro F-body oil pan
• Not intended for marine applications
• Front-End Accessory Drive Kits are available in several configurations (see catalog for application)
• Does not include exhaust manifolds or flexplate/flywhee

Mobil 1 is the recommended engine oil for all Chevrolet Performance Engines

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile/80,000-kilometer limited warranty, whichever comes first. See your GM dealer for details.

Chevrolet Performance does not utilize any used or remanufactured parts in this crate engine, except for the starter, alternator and power steering pump

This part is intended for competition use only. See page 2 of catalog for complete details