2000hp rated 388ci, 400ci, or 427ci Dart LS Next2 ALUMINUM Long Block

$33,354.07

Price may vary. Please contact us to discuss your engine application and obtain a custom quote.

+1 (424) 378-1219

Price shown does not include oil system –  A wet or dry sump oil system will need to be added, please call to discuss and obtain a custom quote.

Our all new 2000hp rated Dart LS Next2 Aluminum Long Blocks are fully CNC Machined, blueprinted and Dyno tested. Each engine comes with an Engine Specifications File for your records. 

Specifications:

Set up includes, but not limited to the following precision machining/blueprinting:

  • Balancing
  • CNC Deck Block
  • Cylinders double torque plate CNC diamond honed for correct piston to wall clearance and surface finish.
  • Align Hone
  • Full surface finish reports on deck and cylinder wall finish
    • According to fuel and power adder
  • Heads CC’d and valve job
  • Valve spring heights set up 
  • Pushrod length
  • Rocker geometry
  • Dyno Break-In
  • Dyno Test 
  • Engine fully blueprinted
  • Engine Build File & Dyno Data sheets provided

Short Block Components:

  • Dart LS Next2 Aluminum Block 4.125 bore, 9.240″ Deck height
    • 1/2″ Main Studs
    • 1/2″ Heads Studs
    • LS 2.560″ Mains
  • Callies Magnum CCW Crankshaft 58x
  • Clevite H Series Main Bearings 
  • Clevite H Series Rod Bearings
  • Callies Ultra Enforcer I Beam 6.125″ rods
  • Custom Ross Racing Pistons
  • Total Seal Piston Rings AP Steel Ring Pack 

NB: This Long Block is spec’d for hydraulic roller set-ups, we can accommodate Solid Roller builds with additional machining fees. Please contact us for more information.

Long Block Components:

  • CID LS7 Cylinder Heads
  • SCE Vulcan Cut-Ring Head Gaskets
  • Custom Camshaft
  • SCE Vulcan Cut-Ring Head Gaskets
  • Custom hyd roller camshaft
  • BTR Spring Kit w/ Titanium Retainers
  • ARP cam bolts
  • Manton push rods
  • ACE/ARP Pro Series Custom Rocker Arm Stud Kit
  • GM rocker arms with BTR trunnion upgrade and billet stands
  • Johnson link bar lifters
  • Cloyes Hex-A-Just Z-Racing Timing Set
  • ATI Super Damper
  • Mighty Mouse Timing Pointer
  • Front & rear timing covers & gaskets 
  • Billet valley cover
  • ACE Racing Engines Billet valve covers (black or raw w/ -12AN breathers) 

Price shown does not include oil system –  A wet or dry sump oil system will need to be added, please call to discuss and obtain a custom quote.

Click HERE to view the Iron block version!

We recommend FuelTech EFI management for this engine.

 

 – ACE Racing Engines makes no guarantee regarding operation of the Goods in settings or in ways that may be illegal or highly regulated, including those regarding smog and emissions. Please refer to your State/Country guidelines. 

 – Due to the custom nature of our builds, the product images shown here are for illustration purposes only and may not be an exact representation of the product.