The LSx 454ci competition short block uses a new GM LSx cast iron block
with 4.185" bore and 4.125” Stroke to produce the large 454ci.
The larger cubic inch of the LS 454 short block allows for more low end torque is a good foundation for higher horsepower applications.
We are able to build your LSx 454 short block 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 454 short block 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 for the Chevy 454 short block. It is mandatory for you to contact Golen Engine Tech Support before starting your 454 short block crate 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!!