![Hero Mantle](https://paceperformance.com/images/F154234136.jpg)
LS3 Series Crate Engine Builders
![CHEVROLET PERFORMANCE](https://paceperformance.com/images/F154208354.jpg)
CHEVROLET PERFORMANCE
The LS3 is filled with components designed for high performance and longevity. The aluminum block is filled with a sturdy reciprocating assembly that combines with L92-type rectangular-port heads to deliver a 10.7:1 compression ratio. Whether you're on the street or track, the LS Series is an excellent choice.
![PACE PERFORMANCE](https://paceperformance.com/images/F154208355.jpg)
PACE PERFORMANCE
LS Engines by Pace Performance gives you more power for your investment and streamlines your build process. Our techs have developed several turn-key engine builds based on years of experience and customer requests for complete, one box, one part number, one price packages.
![Blueprint Performance](https://paceperformance.com/images/F154243096.jpg)
Blueprint Performance
These crate engines are high-performance drop-in engines offering substantially more horsepower than the factory original. Crate engines or crate motors from BluePrint Engines offer a custom builder, hot rodder, or kit car builder an engine that is ready to drop in the vehicle.
![Engine and Transmission Packages](https://paceperformance.com/images/F154242344.jpg)
Engine and Transmission Packages
LS3 Connect & Cruise packages are factory-engineered engine-and-transmission combinations that include all the electronic control modules, wiring harnesses and other key components you need with the simplicity of one part number.
![Custom LS3 from Pace Performance](https://paceperformance.com/images/F154230940.jpg)
Custom LS3 from Pace Performance
Our plug-and-play engines can streamline your process and give you both the muscle and consistent performance top builders expect.