CBM MOTORSPORTS™ TWIN TURBOCHARGED 440 RHS LS

The CBM Twin Turbocharged 440 RHS LS is a 7.0 liter twin turbocharged LS, it puts out 850+ rwhp @ 7000 RPM’s and 700 ft-lbs of torque with a compression ratio of 9.1.

This grave digger features our own custom built CNC ported LS7 cylinder heads along with a forged lower end – fully balanced and blue printed. All CBM engines are assembled and delivered with brand new components and parts. Images may contain upgrades.

Base Package Included Components:

• RHS standard deck 6 bolt block w/ 4.125″ bore.
• Callies Dragon Slayer Crankshaft.
• Callies Ultra Connecting Rods.
• Race Tec or CBM/JE Forged Pistons.
• Total Seal file fit rings.
• ARP Main Studs.
• CBM/Comp Custom Grind Camshaft. (mild to wild your choice)
• CBM CNC LS7 Cylinder Heads
• Manley Intake/Exhaust Valves.
• Manley Chromoly Push Rods.
• Manley Nextec .700″ dual spring kit.
• GM Trunioned Rocker Arms.
• Chevrolet Performance LS Race Hydraulic Roller Lifters.
• Chevrolet Performance or Moroso Oil Pan. (application dependent)
• Melling Oil Pump.
• CBM Mil Spec Wiring Harness.
• GM Coil Packs.
• CBM Ignition Wires.
• Chevrolet Performance Valve Covers.
• Delphi Alternator.
• Gates Water Pump.
• ATI Balancer.
• CBM Billet Manual Belt Tensioner.
• CBM Billet Fuel Rails, AN Fittings.
• Seimens 80lbs Fuel Injectors.
• FAST 102mm Intake Manifold.
• CBM/Accufab Billet 95mm Mechanical Throttle Body.
• Precision Turbo and Engine 62/66 Turbochargers.
• Turbosmart 50mm Wastegates.
• Turbosmart 38mm Blow Off Valves.
• Cometic, Mahle, GM Gaskets.

Component Upgrades Available:

• Callies Magnum Crankshaft. 
• Johnson Short Travel Race Style Lifters 
• Manley Titanium Intake/Exhaust Valves 
• Dailey Engineering 5 Stage Dry Sump System 
• MSD Ignition Coil Packs 
• CBM/Accufab Billet 105mm Mechanical Throttle Body 
• CBM Billet High Amp Alternator 
• CBM Billet Valve Covers and Coil Relocation Kit 
• F.I.C. 80lbs Fuel Injectors. 
• Holley or CBM Intake Manifolds. 

Each CBM Engine is made to order, pricing and packages may vary. Custom options are also available, we have clutch kits, transmission adapter plates, power steering components, complete fuel systems, accessory drive systems and data acquisition/display systems to fit your application.

Please call for current base package and upgrade pricing, availability and a lead time.

A $5.000 deposit required when ordering.