LS3 430 HP Crate Engine - Gen IV Aluminum Long Block

Short Specs:

• Part Number: Chevrolet Performance 19355370

• Displacement: 6.2L (376 cu in) Gen IV V8

• Power Output: 430 HP / 424 lb-ft Torque (with OE accessories)

• Block: Aluminum with 6-Bolt Main Caps

• Heads: LS3 Rectangular Port Aluminum Heads, as Cast

Detailed Description:

The Chevrolet Performance LS3 430 Long Block provides the essential, high-performance core of the legendary 6.2L LS3 engine, offering a cost-effective and flexible starting point for custom builds. This factory-assembled partial engine includes the complete rotating assembly with its hydraulic roller camshaft, aluminum block, and rectangular port LS3 cylinder heads, all precision-built and tested to OE standards. It is intentionally supplied without the intake manifold, front accessory drive, ignition system, and exhaust manifolds, empowering builders to select their own components for induction, styling, and accessory mounting.

This strategy delivers exceptional value and customization potential, making it a premier choice for pro-touring projects, modern swaps, and restomods where specific accessory clearance or a custom engine bay aesthetic is required. By starting with the proven, powerful heart of the LS3, builders can create a personalized, high-horsepower engine that maintains the fundamental reliability and performance of a genuine GM crate engine while achieving a fully custom final assembly.