The Powerstorm Street Series LS3 short block was designed as an upgraded street engine for power adder vehicles. The stock LS3 short block and its weaker factory pistons and rods are only recomended to 500-550hp. So are planning on pushing your LS3 a little harder than that? But are not interested in paying the higher cost for a racing engine? This Street Series Powerstorm short block was designed for you! Starting with a LS3 aluminum block we go through all of our Livernois Motorsports engineered processes. If you need more information on them simple click on the Product Information tab above.. Next we install our Powerstorm pistons, rods and upgraded aftermarket engine bearings. This Powerstorm Street Series LS3 short block is rated to handle 700-750hp. Not sure this engine is right for you? Give us a call we'd be happy to talk to you about your project, 313-561-5500

The Powerstorm Street Series product line is built for customers with budget and value as a top priority. These products are built using the same standards and quality as any Livernois product but with parts and service options more geared around value. These products utilize components that are targeted at the specific application they are intended and are not meant as one size fits all product line. In most cases the applications for the Street Series product line are street oriented vehicles that are not heavily modified and see infrequent track time. The Livernois Street Series line of products are designed with specific goals and targets in mind when it comes to power and durability. By adhering to specific design goals for the products Livernois is able to produce a high quality product that meets a very specific requirement for both power capabilities and durability while still being affordable for the budget minded performance enthusiast.

Short Block

Livernois Motorsports cylinder head and valvetrain components are made in the USA and include dyno-proven cam profiles, valve spring kits, push rods, rocker arm braces, displacement on-demand eliminator kits, cam phaser lockouts and cam phaser limiter kits, as well as our full line of CNC-ported cylinder head offerings. All items are designed to meet stringent requirements for power, performance and durability, while requiring little-to-no modifications.

About Livernois Motorsports

Livernois Motorsports & Engineering has become best-known for revolutionary tuning and high-end performance products for late model Ford, Mopar and GM vehicles. The company is proud of its deep roots in the automotive and motorsports industry dating back to its original founding in 1949. Since then the company has expanded its product line to include tuning and performance components for desert racing, SCCA and drag racing. Livernois Motorsports is proud to engineer, test and manufacture its products in the USA.

Street Series Details & Specifics

Rod Bearing Clearances

Another critical area of the engine is the rod bearings and setting rod bearing clearance. In order to ensure the correct rod bearing clearance, along with the correct bearing crush, we go through and measure and set every rod bearing clearance, on every engine we do. 

Block Deburr & Radiusing

Each engine is carefully hand deburred to ensure that stress risers and sharp edges are removed from the blocks. This is an important step, ensuring that the block will hold up at higher power levels. Some of the deburr work is to remove sharp edges to aid in assembly work, while other deburring is done to remove sharp edges that cause stress risers and potential wek points. 


Powerstorm pistons are designed exclusively by Livernois and only available through Livernois Motorsports. Each design is developed to match the specific needs and requirements of the engine and application. Where as most companies just use "off the shelf" pistons, Livernois know's that in order to achieve maximum performance and reliability that you can't just settle for off the shelf parts. Taking from over a decade of building winning race engines, alongside the extensive time spent working with OEMs on development, Livernois designs each piston to be a perfect fit for the application. Features like increased ringland thickness, increased skirt thickness, added struts and bracing, revised ringland stack, custom skirt profile, and many other things, all go into making a Powerstrom piston the best piston on the market. 


Powerstorm connecting rods and designs have become the industry standard design for many different engine families. From our H-beam design, to our higher end I-beam offerings, these rods are designed to handle the increased horsepower and torque of a modified performance engine. With standard features like ARP2000 upgraded bolts and precision tolerances of just .0001, these rods are the best available. 


Each crankshaft is precision balanced, and treated to a variety of treatments in order to ensure the best possible performance and durability. 


  • LS3 Block 
  • Forged Crankshaft
  • Powerstorm Forged Pistons
  • Stainless Steel Ringset
  • Powerstrom 4340 Forged H-Beam Connecting Rod
  • Tri-Metal Performance Main Bearings
  • Tri-Metal Performance Rod Bearings
  • Main Bolt Kit

Machine & Assembly Work

  • Honed Cylinders
  • Main Clearances Set
  • Block Deburr and Radiusing 
  • Balance Rotating Assembly
  • Rod Clearances Set
  • Rings Hand Gapped and Filed
  • Shortblock Assembly 

  • 2010-2015 Chevrolet Camaro SS LS3 6.2 Liter Naturally Aspirated
  • 2008-2013 Chevrolet Corvette Base LS3 6.2 Liter Naturally Aspirated
  • 2010-2013 Chevrolet Corvette Grand Sport LS3 6.2 Liter Naturally Aspirated
  • 2014-2016 Chevrolet SS Base LS3 6.2 Liter Naturally Aspirated
  • 2009 Pontiac G8 GXP LS3 6.2 Liter Naturally Aspirated
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