NRE Twin-Turbo Alien LS 427

WARRIOR SERIES:  *$46,999+

*Photos may show optional equipment.

2,000 hp at 7000 RPM

The 2000 hp Warrior Series 427 Twin-Turbo Alien is a Race engine is disguise.We built this engine with years of experience. All the components on this engine are hand selected to give you maximum reliability at this power level. This engine is very street-able but will have a less valve-train life compared to its 1800 hp Twin-Turbo Hot Rod Series brother.This is built for the track with occasional street drives.This is the ultimate dual purpose LS engine we sell.

  • BLOCK: Dart LS Next Pro Machined for 1/2 Head studs Machined for Flame hoops
  • CRANKSHAFT: Callies Magnum full counter weight 4.0 Stroke Crank
  • CONNECTING RODS: Oliver Billet Max Rods
  • PISTONS: Forged JE 10.1 to 1 2618 material
  • VALVE-TRAIN: Custom Hydraulic roller camshaft, LS7 lifters, Comp Cams Shaft rocker system, Manton Pushrods, Cloyes Z timing chain
  • OIL SYSTEM: Hi Volume Oil pump,  7 quart road race oil pan with trap doors.
  • CYL HEADS: NRE AFR 260CC Six Bolt Fully CNC Ported LS3 Heads
  • GASKETS: Cometic MLX
  • VALVETRAIN: Custom NRE solid roller camshaft with Isky Red Zone Bushed Lifters,T&D Shaft Mount Rocker System, Manton Series 5 3/8 Pushrods
  • OIL SYSTEM: Holley 302-3 Oil Pan
  • INTAKE MANIFOLD: NRE GEN 3 Alien Intake Manifold With Built In Fuel Regulation
  • FUEL MANAGEMENT: Holley Terminator Max Laptop programmable with full wire harness and sensors
  • IGNITION: 60 Tooth Crank trigger
  • EXHAUST: Stainless 304 fully tig welded headers
  • TURBOCHARGERS: NRE 76mm Mirror Image Gen 3 Billet wheel
  • WASTEGATES: Precision 46 mm

"My old turbo motor was completely unreliable. I've run 50 passes on this engine and so far all I’ve done is change the oil."  

- Adam Gier, Owner of a 427 Race Warrior Twin-Turbo LSX Series


Daily Driver Series
Designed for the person who wants to drive their car daily. Experience a killer V8 sound. NRE Daily Drivers are brutally strong power plants.

- Maximum reliability
- Enormous amount of torque & hp
- Drives anywhere on 91 octane gas
Hot Rod Series
Best compromise between power and reliability. This engine setup has a very hollow and nasty sound, but the valve train acceleration is reasonable and soft.

- Larger power band
- More torque per cubic inch
- Drives anywhere on 91 octane gas
Pro-Touring Series
Power and performance for cars intended to be driven. From street, track, drag strip, or through cones at an auto-cross, get full street car manners with massive power.

- Smooth power and performance
- High quality components
- Runs on pump or race gas.
Warrior Series
Over the years we have developed some of the meanest race combo’s in the world and these are pure race engines unequaled in power and reliability.

- Patented Race Technology
- Season after season of engine reliability
- May require high-octane race fuel

STEP 1: Select a Motor Series

Every motor is built to the individuals needs. First, SELECT A MOTOR SERIES to let us know about your dream motor.

STEP 2: Devil's in the Details 

Your motor setup and details are made-to-order and engineered specifically to fit your ride. Tom Nelson and NRE engine builders will work with you to concept your unique vision.

Options & Upgrades

Wether you have specific parts or a style in-mind, we can help show you options and upgrades that will push you ahead of the competition. 

  • NRE Turbocharger sizes
  • NRE Alien Intake
  • Fuel Management Systems
  • Ignition upgrades
TT-572-BBC-alien-polished-finish.jpg Polished
TT-572-BBC-alien-black-finish.jpg Vader Black

Custom Finishes

Polished, Vader Black + More Custom Color Options...

STEP 3: Start Your Engine

NRE will supply a detailed price quote for your approval, at that time, a deposit is required to start. 


Are you ready to be powered by NRE?