CBM MOTORSPORTS™ 415 LS3

The CBM 415 LS3 is a 6.8 liter naturally aspirated LS3, it puts out 575+ rwhp @ 6800 RPM’s and 525 ft-lbs of torque with a compression ratio of 11.1.

The engine features our own custom built CNC ported L92 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:

• New GM LS3 block 4.065″ bore.
• CBM custom CNC stroker clearancing and block prep.
• Callies Compstar or Manley forged crankshaft (upgrades available).
• Callies Compstar or Manley forged connecting rods (upgrades available).
• Manley or Mahle forged pistons (upgrades available).
• Total Seal file fit rings (upgrades available).
• CBM/COMP custom ground camshaft (mild or wild your choice).
• CBM LS3X cylinder heads (upgrade available).
• GM stock valve covers (upgrade available).
• Manley or REV stainless steel solid intake/exhaust valves (upgrade available).
• Manley 5/16″ chromoly push rods (upgrades available).
• Manley Nextec .660″ dual spring kit (upgrades available).
• GM trunioned rocker arms (upgrades available).
• GM oil pan (upgrades available).
• Melling oil pump (upgrades available).
• CBM/GM custom harness and programmed ECU (upgrades available).
• GM coil packs (upgrades available).
• CBM ignition wires.
• CBM coil covers.
• Delphi alternator (upgrades available).
• Gates water pump (upgrades available).
• Dayco belt tensioner (upgrades available).
• CBM billet fuel rails with AN fittings.
• Delphi fuel injectors (upgrade available).
• GM LS3 polymer intake manifold (upgrade available).
• CBM/Accufab billet 95mm mechanical throttle body (upgrades available).
• GM/Mahle engine gaskets (upgrades available).

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 $1.000.00 deposit required when ordering.