416ci LT1/LT4 Short Block Engine

416ci LT1/LT4 Short Block Engine

Base Price $7,899

The LT1/LT4 416ci competition short block uses a new GM LT1/LT4 block with 4.070" bore to produce the 416CI.  This short block provides a strong foundation for NA engines making up to 750hp and can be customized to meet your needs.



  • New GM LT1/LT4 Aluminum Block Honed with Torque Plates
  • Bore Size 4.070"
  • Zero Decked
  • Line Honed with ARP Main Studs
  • Blueprinted Oil Clearances
  • All New GM Block Plugs Installed
  • New Durabond Cam Bearings Installed


  • Wiseco 2618 Forged Pistons with Armor Glide skirt coating


  • Wiseco GFX Stainless Steel


  • Clevite H-Series Main and Rod Bearings


  • Callies Magnum Series 4340 Forged Steel
  • Stroke 4.000”
  • Wet or Dry Sump Oiling
  • Internally Balanced Front and Rear


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

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 LT1/LT4 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!!