CBM MOTORSPORTS™ NA 425 LS3

CBM MOTORSPORTS™ NA 425 LS3 Product Description:

The CBM NA 425 is a 6.95 liter naturally aspirated LS3, it puts out 600+ hp @ 6400 RPM's and 580 ft-lbs of torque with a compression ratio of 11.0:1. This monster features our own custom built CBM LS3X Cylinder Heads along with a forged lower end - fully balanced and blue printed. This engine offers big hp yet is dependable and durable. Blow your competition away.

Custom options are also available. We have clutch kits, trans adapters, power steering systems, fuel systems and accessory drive systems to fit your application. Please call for pricing.

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 (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 8.5mm ignition wires.
• CBM coil covers.
• GM/Delphi 105A alternator (upgrades available).
• GM/Gates water pump (upgrades available).
• GM/Gates belt tensioner (upgrades available).
• CBM billet fuel rails with AN fittings.
• GM/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 Racing Engine is made to order, please call for the options you would like, pricing and a lead time. 909.291.7550