CBM MOTORSPORTS™ 440 RHS LS

The CBM 440 RHS LS is a 7.0 liter naturally aspirated LS, it puts out 630+ rwhp @ 7000 RPM’s and 600 ft-lbs of torque with a compression ratio of 11.1.

The engine features our own custom built CNC ported LS3X cylinder heads along with a forged lower end – fully balanced and blue printed. This engine is dependable and durable. Images may contain upgrades.

Base Package Included Components:

• RHS standard deck 6 bolt block w/ 4.125″ bore.
• Callies Compstar or Manley Pro Series Crankshaft.
• Callies Compstar or Manley H-Beam Connecting Rods.
• Manley or Mahle Forged Pistons.
• Total Seal file fit rings.
• ARP Main Studs.
• CBM/Comp Custom Grind Camshaft. (mild to wild your choice)
• CBM LS3X cylinder heads
• REV Intake/Exhaust Valves.
• Manley Chromoly Push Rods.
• Manley Nextec .660″ dual spring kit.
• GM LS7 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 Coil Covers.
• CBM Ignition Wires.
• Chevrolet Performance Valve Covers.
• Delphi Alternator.
• Gates Water Pump.
• ACDelco Balancer.
• ACDelco Belt Tensioner.
• CBM Billet Fuel Rails, AN Fittings.
• Seimens 80lbs Fuel Injectors.
• Chevrolet Performance polymer intake manifold.
• CBM/Accufab Billet 95mm Mechanical Throttle Body.
• Cometic, Mahle, GM Gaskets.

Component Upgrades Available:

• Callies Dragon Slayer Crankshaft. 
• Callies Ultra Connecting Rods. 
• 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. 

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.