5.3L LS SHORT BLOCK

Chevy 5.3L LS1 Factory Short Block

Base Price $3,499

The 5.3 LS short block uses a new GM LS1 block with 3.780" bore to produce 325ci. Remanufactured with new and improved parts for enhanced performance and longevity. Available with custom build options to meet your desired specifications.

ENGINE SPECIFICATIONS

Block: 

  • New GM 5.3 Short Block Honed with Torque Plates
  • Bore Size 3.780”
  • Line Honed with GM Main Bolts
  • Blueprinted Oil Clearances


Pistons: 

  • Speed Pro Hypereutectic Pistons with coated skirts


Bearings: 

  • Clevite Main and Rod Bearings


Crank: 

  • New GM Factory Crankshaft,Stroke 3.622”
  • Your Choice of 24x or 58x Reluctor Wheel
  • Internally Balanced Front and Rear


Rods: 

  • Scat 4340 Forged Steel I-Beam
  • 6.125” Length
  • ARP Rod Bolts


Rings: 

  • Speed Pro Plasma Moly Rings


Our forged 5.3 short blocks are known for their reliability and versatility. Specially crafted with new GM components, this Chevy 5.3 crate engine is an extremely durable solution for any GM hot rod. All our 5.3 short blocks for sale come dyno tuned and tested to ensure peak performance and accurate specifications.


We are able to build your 5.3 LS crate 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 LSx Short Blocks you will receive a full spec sheet listing the exact components your 5.3 crate 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!!