Connect and Cruise Kits

Chevrolet Performance continues to lead the industry with its unprecedented Connect & Cruise crate powertrain systems - factory-engineered engine and transmission combinations. Chevy Performance engineers matched the engines and transmissions for optimal performance and durability, so you can wring out every horsepower from them with total confidence. The specially calibrated controllers are designed for retrofit installations in older vehicles, for easier and quicker installation and operation without the need for third-party tuning. Each kit delivers a brand-new, fully assembled crate engine, an electronically controlled overdrive transmission, electronic control modules for both, and the engine control hardware to get it all running in your project vehicle. The convenience of a crate engine, the assurance of factory validated performance, and the value of an inclusive package - that's what you get with Chevrolet Performance's Connect & Cruise crate powertrain systems. Detailed instructions outline all the necessary steps. The engineers did all the hard work of designing and calibrating perfectly matched powertrain systems - and they covered them with a 24-month/50,000-mile limited warranty.

GM Warranty

If you're looking to inject modern performance into your classic ride or build a high-powered street machine, the Chevrolet Performance 6.2L V8 430HP LS3 Engine is the perfect solution. Originally found in the Corvette, this legendary powerplant blends advanced LS-series technology with a street-friendly 430 horsepower—making it an exceptional choice for hot rods, resto-mods, and muscle car swaps.

The LS3 engine features aluminum construction for reduced weight and excellent heat dissipation, along with high-flow rectangular port cylinder heads and a hydraulic roller camshaft for strong midrange power. With 425 lb-ft of torque, it delivers instant throttle response and effortless acceleration, whether you're on the street or track.

For those planning a reliable, high-performance build, the LS3 crate motor provides a factory-engineered foundation that's ready for plug-and-play installation. It's designed to work seamlessly with GM's transmission and electronics packages, saving you time and hassle during your project.

This LS3 motor is the perfect blend of modern engineering and classic small-block V8 character. It offers smooth idle quality, excellent street manners, and enough muscle to keep things exciting under your right foot.

Backed by Chevrolet Performance and built with quality components, the 6.2L LS3 is a proven performer trusted by builders across the industry. Whether you're refreshing a vintage car or building a custom performance vehicle, this crate engine delivers the power, reliability, and heritage you expect from GM.

The Chevrolet Performance LS3 Engine lineup delivers modern small block power in a factory-engineered crate package built for serious enthusiasts. If you’re looking to shop for an LS3 6.2L V8 crate engine online, this product group offers a proven combination of horsepower, reliability, and swap-friendly design. Known for its strong performance output and lightweight construction, the LS3 has become one of the most popular GM crate engines for restomods, muscle cars, and custom performance builds.

Displacing 6.2 liters (376 cubic inches), the LS3 platform is engineered to provide impressive horsepower and torque in a compact, efficient package. Its aluminum block construction helps reduce overall vehicle weight while maintaining strength, making it ideal for both street performance and track-focused applications. For builders seeking a modern fuel-injected V8 with broad aftermarket support, the LS3 crate engine remains a top-tier choice.

Performance Benefits & Key Features

The Chevrolet Performance LS3 Engine is widely respected for its balanced combination of power and drivability. With factory-rated horsepower figures typically in the 430+ HP range and strong torque capacity across the RPM band, the LS3 delivers responsive acceleration and consistent performance under load.

Key specifications buyers often prioritize include high-flow cylinder heads for improved airflow, a hydraulic roller camshaft for smooth power delivery, and an efficient intake manifold designed to maximize combustion efficiency. The all-aluminum block and heads not only enhance heat dissipation but also improve weight distribution in performance builds.

This modern LS engine is equally at home in street-driven muscle cars, pro-touring builds, autocross cars, and weekend drag racing applications. Its electronic fuel injection compatibility enhances cold-start behavior, throttle response, and overall reliability compared to older carbureted platforms. Whether you’re replacing a worn-out powerplant or planning a full LS engine swap, the LS3 provides a proven foundation for high-performance results.

Fitment, Compatibility & Applications

The LS3 6.2L V8 crate engine is designed for GM-based platforms and LS engine swap projects. It’s commonly installed in classic Chevrolet Camaro, Chevelle, Nova, and C10 trucks, as well as modern muscle cars and custom street rods configured for LS compatibility.

Thanks to its compact dimensions and extensive aftermarket support, LS3 fitment is achievable in a wide range of vehicles, including non-GM builds when paired with the appropriate mounts and accessories. Enthusiasts appreciate the engine’s versatility for restoration builds, daily drivers, and performance-oriented trucks alike.

When you’re ready to upgrade to modern GM performance, explore the Chevrolet Performance LS3 Engine options at JEGS and power your build with one of the most respected crate engines in the industry.