GM LS3 6.2L Built Long Block Engine

Description

High-Performance LS3 Power. Built for Reliability and Speed.

Upgrade your vehicle with this GM LS3 6.2L Built Long Block Engine, a fully assembled, performance-ready engine designed for muscle cars, LS swaps, and high-performance builds. This long block comes with GM-engineered components, including block, crankshaft, pistons, rods, and cylinder heads, giving you a reliable foundation for high-horsepower applications.

Perfect for restorations, hot rods, or performance swaps, this LS3 long block provides factory-quality performance with modern GM engineering.

Product Details:

• Engine Type: LS3 6.2L V8 (Built Long Block)

• Horsepower: 430–450 HP (Stock, depending on build)

• Torque: 424–428 lb-ft (Stock)

• Condition: Built / Tested / Performance Ready

• Block Material: Aluminum

• Includes: Cylinder Heads, Crankshaft, Pistons, Rods, Camshaft, Timing Set

• Fuel System: EFI (Electronic Fuel Injection, long block only)

• Shipping: Fast Nationwide U.S. Delivery

Key Features:

• ✅ Fully Built LS3 Long Block – Ready for final assembly with intake, accessories, and ignition

• ✅ Factory Performance – LS3 architecture ensures reliability and high-revving capability

• ✅ Durable Aluminum Block – Lightweight and strong for performance applications

• ✅ Swap-Ready Design – Ideal for muscle cars, hot rods, trucks, and restomods

• ✅ High Horsepower Potential – Easily modifiable for boosted or naturally aspirated setups

• ✅ Precision Engineered – Built with GM OE components for maximum durability

Compatibility:

The GM LS3 6.2L Long Block Engine is compatible with:

• 2008–2013 Corvette (C6) LS3 builds

• Camaro SS (2010–2015) LS3 models

• LS swap projects for classic muscle cars, trucks, and restomods

• Compatible with aftermarket EFI systems and GM Performance controllers

🛡️ Warranty Information:

All LS3 long blocks include a 60-Day Start-Up Warranty, covering:

• Engine startup functionality

• No cracks, holes, or major internal failures

Warranty Exclusions: Improper installation, abuse, or extreme modifications are not covered. Extended warranty options are available.