1500hp rated Dart LS Next SHP Pro Short Block


Start your build right with our 1500hp rated Dart LS Next SHP Short Block, for Forced Induction applications. 
All our engines are fully machined, balanced & blueprinted, and come with deck and cylinder surface finish reports and an engine spec log. 
We like to get to know our customers, their cars and what kind of engine/power they are looking for. Please contact us prior to ordering, to dial in the spec to meet your engine requirements.


Our 1500hp rated Dart LS Next SHP Pro Short Blocks are ideal for daily drivers and street or strip cars.

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

  • Balancing
  • CNC Block Machining
  • Cylinders double torque plate diamond honed for correct piston to wall clearance and surface finish
  • Full surface finish report on deck, head and cylinder wall finish 
  • Engine fully blueprinted


  • 1500hp rated Dart LS Next SHP PRO Iron short block
  • Bore & stroke –TBD
  • Engine size – 388ci/408ci/427ci 
  • Piston Dish/Dome – TBD


  • Dart LS Next Iron SHP PRO Block (Skirted) 4.125″ Bore   — Learn more about the Dart SHP Pro Block here.
  • Callies Compstar CCW Billet Crankshaft
  • Clevite H Series Main Bearings 
  • Clevite H Series Rod Bearings
  • Callies Ultra H beam rods 6.125″
  • CP Bullet Series Pistons
  • Total Seal Piston Rings AP Steel Ring Pack  – Optional upgrade to Total Seal Gas-ported Top Ring
    • NB – Gas Ported Piston Rings direct cylinder pressure to the back of the ring through machined horizontal slots placed around the ring. The pressure pushes against the inside of the ring forcing it outward into the cylinder wall to improve ring seal evenly around the cylinder.

This Spec is based on a Single or Twin Turbo though we are happy to discuss your build and spec a personalized quote. Give us a call on +1 (424) 378-1219.

x58 reluctor wheel.

Other LS Short blocks, Long Blocks and Complete Crate engines are also available. Go back to ALL Street & Racing Engines here.

We work closely with our suppliers to keep on top of, and be a part of new innovations in our industry. Click here for more information about Total Seal Gapless & Gas-ported Piston Rings.



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. 

The product images shown are for illustration purposes only and may not be an exact representation of the product.


Additional information

Weight 300 lbs
Dimensions 42 × 40 × 26 in

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