Energy Billet LS Block, Billet engine

Energy Mfg Billet LS Long Block With Visner Cylinder Heads & Energy Intake


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

+1 (424) 378-1219

This 4000hp+ rated billet LS Engine is perfectly suited for Pro275, X275, Limited Drag Radial, Outlaw 10.5, Grudge and other forms of competition drag racing.

Our long blocks come ‘broken-in’ on our dyno using our shop intake and exhaust. Full, Engine Specification Paperwork and logs provided to each customer.

Energy Manufacturing billet blocks begin life as a 490 pound block of high grade forged 6061 aluminum. Featuring rolled thread tapped holes for extra strength and high strength cylinder liners, careful attention is given to fit and finish of the overall block. Each semi-finished block is thoroughly heat treated to T6 Standards.

Visner billet cylinder heads are manufactured with ultra-strong billet 6061 T6 material. They are available for high horsepower N/A, N20 and boosted applications in solid or water cooled versions and CNC ported for maximum performance along with enhanced valve seat support-integrity for increased durability in extreme conditions.

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

  • Balancing
  • CNC Block Machining
    • Roller Cam Bearings (if applicable)
    • Install .937 lifter bushings
    • Machine for RCD gear drive
  • 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
  • Heads CC’d and valve job
  • Valve spring heights set up
  • Pushrod length
  • Rocker geometry
  • Bore & stroke –TBD
  • Engine size – TBD
  • Piston Dish – TBD
Short Block Components:
  • Energy Manufacturing Billet LS Block (Solid) (wet block is also available)
  • Callies Ultra Billet Crankshaft w/ Cleveland mains
  • V Series Main Bearings
  • V Series Rod Bearings
  • MGP Billet Aluminum Rods, 3.5 multi phase bolts, .990″ pin
  • Custom Ross Racing Pistons
  • Total Seal Piston Rings AP Steel Ring Pack
  • Custom Turbo Camshaft
  • Machined for receiver grooves
Long Block Components:
  • Visner Engine Development – 8 degree Billet Canted Valve LS Cylinder Heads w/flame hoops
  • Custom 1/2 Head Stud Kit
  • Hat Washers
  • Titanium Intake Valves
  • Titanium Exhaust Valves
  • Clark Annealed Copper Head Gaskets
  • PSI Racing Springs
  • Manton Push Rods – Custom Tool Steel
  • Jesel Rocker Arms
  • Jesel Keyway Solid Lifters .937″
  • RCD Billet Gear Drive 
  • Dailey Engineering 5 Stage Dry Sump System
  • ARP Hardware
  • Energy Manufacturing LS Billet EFI Plenum
  • Energy Manufacturing LS Billet EFI Lid
  • Energy Manufacturing LS Billet Dual Inj Runners
  • Energy Manufacturing LS Billet Fuel Rail Kit
  • Energy Manufacturing LS Large SFI Burst Panel w/ 6″ chimney
  • Energy Manufacturing LS Billet Large Oval Throttle Body

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.