3500hp+ Noonan BILLET LS “Dry” Long Block w/ CID Cylinder heads

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.

This 3500hp+ rated billet ‘Dry’ LS Engine is perfectly suited for Pro275, X275, Limited Drag Radial, Outlaw 10.5, Grudge and other forms of competition drag racing. 

The configuration below is for  a ‘Dry’ block and heads, and solid roller. ‘Wet’ and/or Hydraulic Roller options are also available.

We like to get to know our customers, their cars and what kind of engine/power they are looking for. Please contact us to discuss your build – we want to configure your new engine to meet or exceed the ET requirements for the application and weight of your race car.
Our long blocks come ‘broken-in’ on our dyno using our shop intake and exhaust. Full, Engine Specification Paperwork and logs are provided to each customer.

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

  • Balancing
  • CNC Block Machining
    • Roller Cam Bearings (if applicable)
    • Install lifter bushings
    • Machine for RCD gear drive
  • Cylinders double torque plate diamond honed for correct piston to wall clearance and surface finish
    • Surface finish according to fuel and power adder
  • Full surface finish report on deck, head and cylinder wall finish
  • Engine fully blueprinted
  • Heads CC’d and valve job
  • Valve spring heights set up
  • Pushrod length
  • Rocker geometry
  • Engine Break-in
  • Engine Dyno


  • 3500hp+ rated Noonan Race Engineering Long block
  • Bore & stroke –TBD
  • Engine size – 400ci/427ci/434ci/447ci
  • Piston Dome/Dish – TBD

Short Block Components:

  • Noonan Race Engineering Billet LS Edge Solid ‘Dry’ Block
  • Callies Ultra Billet or Winberg Crankshaft
  • Clevite Main Bearings
  • Clevite Rod Bearings
  • MGP Billet Aluminum Rods, 3.5 multi phase bolts, .990″ pin
  • Custom Ross Racing Pistons – Pro Mod forging
  • Total Seal Piston Rings AP Steel Gas-Ported Ring Pack
  • Machined for receiver grooves

Long Block Components:

  • Custom Camshaft – 60mm core
  • CID Cylinder Heads – Dry Deck
  • 1 Piece Stainless Steel Top Fuel Hoops
  • Clark Annealed Copper Head Gaskets
  • Custom APR 1/2″ Head Stud Kit
  • Titanium Intake Valves
  • Inconel Exhaust Valves
  • PSI Performance Springs
  • Jesel Keyway Lifters
  • Manton Series 5 Push Rods w/ Tip Upgrade
  • Jesel Pro Steel Roller Rocker arms
  • RCD Billet Gear Drive – Raised cam for Noonan
  • Noonan Billet Valley Cover
  • Noonan Billet Rear Cover
  • ATI Damper
  • ARP Hardware
  • ACE Racing Engines Billet ‘Super Tall’  Valve covers

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.

We recommend FuelTech EFI management for this engine.

Prior to participating with our ’66 Nova at Sick Week 2022, we attended FuelTech USA for a Dyno Day – Check out the ACE Racing Engine that broke the current world HP world record for a hydraulic roller LS, here!


 – 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.