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Alpha NA 415 LS3




Collections: LS Performance Engines

Product type:

Vendor: Alpha Motorsports, Inc.




ALPHA MOTORSPORTS NA 415 LS3 Product Description:

The Alpha NA 415 is a 6.8 liter naturally aspirated LS3, it puts out 575+ hp @ 6800 RPM's and 525 ft-lbs of torque with a compression ratio of 11.1. The engine features Trick Flow CNC ported heads along with a forged lower end - fully balanced and blue printed. This engine is dependable and durable. Custom options are also available.


  • GM Block.
  • GM Computer.
  • Alpha Wiring Harness.
  • Oil Pan.
  • GM Coil Packs.
  • MSD Ignition Wires.
  • Alpha Coil Covers.
  • Stock Style Alternator, Water Pump, Belt Tensioner.
  • Holley Billet Fuel Rails, AN Fittings & Injectors.
  • Stock Style Intake Manifold.
  • Holley Billet 90mm Mechanical Throttle Body.
  • TSP Custom Grind Camshaft.
  • Trend Chromoly Push Rods.
  • TSP Chromoly Keepers.
  • TSP Double Spring Titanium Retainers.
  • TSP Stainless Steel Valves.
  • Trick Flow Gen X GM CNC Ported Cylinder Heads.
  • Callies Compstar Forged Crankshaft.
  • Callies Compstar Forged Connecting Rods.
  • Diamond Forged Pistons.

Each Alpha Racing Engine is made to order, please call for the options you would like and a lead time. 810-893-6265