All-New Chevrolet Vortec 350 L31 Crate Engine (1996-2002) – 4-Bolt Main, Hydraulic Roller Cam

Modern Performance Meets Legendary Dependability with the Vortec 350 L31 Crate Engine

Get ready to transform your build with Chevrolet Performance’s Vortec 350 L31 Crate Engine, the perfect blend of modern tech and classic power. Designed for 1996-2002 vehicles, this Vortec-headed 350 engine delivers enhanced airflow, efficiency, and durability, making it the go-to choice for your Chevy truck, hot rod, or street machine.

What Makes the Vortec 350 L31 Stand Out?

• Vortec Cylinder Heads:
  • Advanced port design improves airflow and combustion for more power and better efficiency.
  • Perfect for mid-range torque and top-end performance.
• Hydraulic Roller Camshaft:
  • Provides smooth operation with modern reliability and performance.
  • Lift: .414" intake / .428" exhaust, with 191°/196° duration @ .050 for responsive throttle and dependable power.
• All-New Components:
  • Fresh block and cylinder head castings—no remanufactured parts here!

Built Tough for Any Build

• 4-Bolt Main Block: Keeps everything locked down for lasting durability.
• Forged Steel Crankshaft: Handles the stress of daily driving or spirited runs.
• Powdered Metal Connecting Rods with Dished Hypereutectic Pistons: Deliver a 9.4:1 compression ratio, optimized for power and reliability.
• Precision CNC Machining: Ensures consistent, reliable performance every time.

Additional Features for Easy Installation

• Comes with new valve covers, oil pan, timing cover, and harmonic balancer, reducing labor time.
• Mechanical Fuel Pump Capability: Offers versatility for custom swaps or vintage builds.
• Every engine is torque-to-turn, compression, and oil pressure tested for performance you can trust.

Perfect for Vortec Builds (1996-2002)

The Vortec-headed 350 is tailor-made for 1996-2002 Chevy trucks and SUVs, but it’s equally at home in resto-mods, hot rods, and street machines. Whether you’re restoring your daily driver or building a custom cruiser, this engine is ready to deliver modern performance with classic Chevy DNA.

Backed by Chevrolet’s Industry-Leading Warranty

Enjoy peace of mind with a 3-year/100,000-mile limited warranty, supported by GM’s nationwide network of over 4,000 dealers for parts and service.