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900HP LS3 Supercharged 6.2L with Whipple 2.9L Blower


The 376 cubic inch Whipple 2.9L supercharged LS3 engine by Wegner Automotive is their most popular engine for high performance use. Hand built by their experienced engine techs, this LS engine easily capable of 875 - 950+ horsepower and 850 lb-ft of torque! 
It is also extremely drive-able for everyday use.  It comes complete with a Holley Terminator X ECU, Wegner Automotive custom valve covers, and the WAK040 front accessory drive.  If you want to push your horsepower and torque to the max - this is the motor for you!

Please note - all Wegner engines are built to order - please allow 6+ weeks for delivery.

**FREIGHT NOT INCLUDED! You will receive an additional invoice for the freight once ready to ship. This usually varies between $300-$700 depending on location and delivery type. 


Our Supercharged LS3 Engine comes with the following –

  • 376 CI GM LS3 6.2L Aluminum Block
  • Forged LT4 8 Bolt Crankshaft & Forged 4340 Rods
  • Mahle Forged SC Pistons
  • SC 6 Layer Head Gaskets
  • GM Lifters
  • Melling Oil Pump
  • Holley 302-2 Pan Kit
  • HD Pushrods
  • Bullet SC Camshaft
  • Upgraded Trunnion Rocker Arms
  • Wegner Motorsports CNC Ported LS3 / LSA Cylinder Heads
  • Inconel Exhaust Valves, HD Stainless Intake Valves
  • Dual Valve Springs
  • Whipple 2.9L Supercharger
  • 2 pc Hidden Coil Valve Covers, Bigger Style, Internal Baffling w/ Custom Logo
  • WAK040 Wegner Accessory Drive w/ Dedicated 8 Rib SC Belt & 225 Amp Alt Upgrade
  • 95 lb. Fuel Injector Connection Fuel Injectors
  • Spark Plugs, Plug Wires, Coils, Coil Harnesses
  • Holley Drive by Wire ECU
  • 90mm GM DBW Throttle Body
  • Machining, Assembly and Dyno Tune


  • GM 416 CI Block
  • Dart SHP Iron Block, 427 CI
  • GM ECU, Harness & Tuning
  • Callies Dragonslayer Forged Crankshaft & Ultra Rods
  • Dailey Dry Sump
  • Nick Williams DBW 103mm Throttle Body and 1.750" Spacer
  • Paint Engine Black or Custom Color
  • Paint Supercharger