CHEVY 427ci LSx BOOSTED COMPETITION SHORT BLOCK

CHEVY 427ci LSx BOOSTED COMPETITION SHORT BLOCK

Base Price $8,499

The LSx 427 short block uses a new GM LSx cast iron block with 4.125" bore and 4.000” Stroke to produce the large 427ci.

ENGINE SPECIFICATIONS

Block:

  • New GM LSx Cast Iron Block Honed with Torque Plates
  • Bore Size 4.125"
  • Zero Decked
  • Line Honed with ARP Main Studs
  • Blueprinted Oil Clearances
  • All New GM Block Plugs Installed
  • New Durabond Cam Bearings Installed


Pistons:

  • Wiseco Custom Forged Boost Pistons


Bearings:

  • Clevite H-Series Main and Rod Bearings


Crank:

  • Callies Dragon Slayer 4340 Forged Steel
  • Stroke 4.000”
  • Your Choice of 24x or 58x Reluctor Wheel
  • Internally Balanced Front and Rear


Rods:

  • Callies Ultra 4340 Forged Steel H-Beam
  • 6.125” Length
  • ARP 2000 Rod Bolts


Rings:

  • Wiseco Gas Nitrided Ring Set


We are able to build your engine to match just about any specs you desire, so if you do not see it just ask us! When you purchase one of our LS HP or Hot Rod Series Street Engines you will receive a full spec sheet listing the exact components your engine was built with. We will also provide you with a complete Set Up Guide as well as full phone tech support to aid you with the installation process. It is mandatory for you to contact Golen Engine Tech Support before starting your engine for the first time and you can reach our Tech Support Line at 1-800-591-9171 ext 2.  Feel free to contact us anytime for help choosing the perfect performance engine combination!!