427″ LS Short Block

Description

Maximum Displacement. Race-Proven Strength. LS Power — Elevated.

When serious horsepower is the goal, the 427″ LS Short Block is the foundation you need. Precision-built for high performance, this engine combines large cubic inches with premium forged internals, giving builders the flexibility to create extreme street, strip, or boosted setups. Whether you’re building a naturally aspirated monster or a forced induction powerhouse, this short block provides unmatched strength and reliability.

Product Details:

• Engine Type: GM LS-Based Short Block

• Displacement: 427 Cubic Inches

• Horsepower Potential: 600+ HP (Naturally Aspirated) / 1,000+ HP (Boosted)

• Block Material: Aluminum or Iron (Depending on Build)

• Configuration: Short Block (Block, Crankshaft, Connecting Rods, Pistons, Rings, Bearings)

• Crankshaft: Forged Steel

• Connecting Rods: H-Beam Forged

• Pistons: Forged Aluminum Performance Pistons

• Condition: New / Performance Built

• Shipping: Free Nationwide U.S. Shipping

Key Features:

• ✅ Massive 427 Cubic Inch Displacement – Provides exceptional torque and horsepower potential

• ✅ Premium Forged Internals – Built to handle high-RPM, high-boost, or nitrous applications

• ✅ Race-Ready Foundation – Ideal for custom top-end builds and extreme performance setups

• ✅ Precision-Balanced Assembly – Engineered for smooth operation and maximum durability

• ✅ Customizable Platform – Perfect for NA, turbocharged, supercharged, or nitrous builds

• ✅ Perfect Starting Point for LS3, LS7, or Aftermarket Heads – Compatible with most LS-based top-end components

Compatibility:

The 427″ LS Short Block is designed to fit a wide range of LS performance applications, including:

• Classic Chevrolet muscle cars (Camaro, Chevelle, Nova, GTO, C10 trucks)

• Modern GM platforms (C6 Corvette, 5th Gen Camaro, Silverado performance builds)

• LS swap projects for street, strip, or off-road performance vehicles

• Compatible with most LS3 / LS7 cylinder heads, intake manifolds, ECU systems, and GM LS transmissions

🛡️ Warranty Information:

Every 427″ LS Short Block comes with a 1-Year Limited Warranty, covering:

• Manufacturing defects

• Workmanship issues

• Internal component failures under normal use

Warranty Exclusions: Damage from improper installation, tuning errors, racing abuse, or neglect is not covered. Full warranty terms are provided with each engine.