408″ LS3 Extreme 560hp

Description

With the 408″ LS3 Extreme 560HP Engine — a powerhouse built for enthusiasts who want race-ready strength with street reliability. With increased displacement, upgraded internals, and performance tuning, this LS3-based stroker engine unleashes 560+ horsepower and massive torque, making it the perfect choice for high-performance builds, restomods, LS swaps, and track-ready machines.

Product Details:

• Engine Type: GM LS3-Based Stroker V8

• Displacement: 408 Cubic Inches

• Horsepower: 560+ HP (approx.)

• Torque: 530+ lb-ft (approx.)

• Block Material: Aluminum with 6-bolt main caps

• Configuration: Complete Long Block

• Fuel System: EFI Compatible

• Condition: New / Performance Built

• Shipping: Free Nationwide U.S. Shipping

Key Features:

• ✅ 560+ Horsepower Output – Built for extreme performance without sacrificing drivability

• ✅ 408″ Stroker Build – Increased displacement for incredible low-end torque and top-end power

• ✅ Upgraded Forged Internals – Built to handle boost, nitrous, and high-RPM abuse

• ✅ Performance Camshaft & High-Flow LS3 Heads – Maximizes airflow and horsepower

• ✅ Dyno-Tested & Tuned – Every engine is precision-tested for quality assurance

• ✅ Ready to Install – Arrives fully assembled and ready for intake, EFI, and accessories

Compatibility:

The 408″ LS3 Extreme 560HP Engine is ideal for:

• LS swap applications in classic muscle cars (Camaro, Chevelle, Nova, GTO, C10 trucks, etc.)

• Modern GM platforms, including Corvette C6, 5th Gen Camaro, and Silverado performance builds

• Off-road performance rigs, street machines, restomods, and custom builds

• Compatible with most LS3 ECU systems, wiring harnesses, and GM LS transmissions

🛡️ Warranty Information:

All 408″ LS3 Extreme Engines come with a 2-Year Limited Warranty, covering:

• Manufacturing defects

• Workmanship issues

• Internal component failures under normal use

Warranty Exclusions: Improper installation, tuning errors, racing damage, or neglect are not covered. Full warranty terms are provided with each engine