If you’re planning an LT engine swap, you know it’s more than just dropping in a Gen V powerplant. Getting the perfect drivetrain geometry, alignment, and clearance makes or breaks your build. That’s where G Force Performance Products comes in with precision-engineered crossmembers, mounts, and swap tools for your project.
We answered some of the most common questions car builders have about LT swaps, featuring direct links to the top-performing G Force parts.
While LS and LT engines share the same heritage, the Gen V LT adds direct injection, variable valve timing, and advanced electronics. That means many LS swap components won’t fit properly on an LT. You’ll need LT-specific mounts, crossmembers, and mock-up tools to ensure proper fitment and driveline angles.
Shop G Force LT Swap Components
Proper mock-up ensures correct fitment before final assembly. The G Force Swap-Block™ Mock-Up Block – Gen V LT lets you position your LT engine and transmission, check firewall and header clearance, and verify driveline angle — all before the final install.
Use a dedicated LT mount kit designed for strength and alignment. The GF-DIYMP-LT-KIT – Gen V LT Engine Mount Kit provides a universal weld-on solution for a wide range of chassis, from classic muscle to G-body and custom frames.
G Force crossmembers are designed to handle both classic and late-model GM transmissions with proper driveline geometry and exhaust clearance. Choose from several proven options for your LT swap:
Need a Crossmember for a chassis, and transmission combo we don't carry? Check out the DIY Universal Transmission Crossmember Kit for flexible fitment options.
Transmission mounts are critical for vibration control and correct driveline angles. G Force offers adjustable and polyurethane mounts for LT swaps:
Many LS parts such as flexplates, oil pans, and accessory drives are not compatible with LT engines due to architecture changes. Always use LT-specific components.
G Force developed 10L90 Transmission Swap Blocks for accurate mock-up and clearance checks. This ensures proper alignment when running modern GM transmissions behind LT engines.
G Force offers step-by-step installation resources to make your swap easier. Check out their full library here:
G Force Installation Information
Our Tech Tip Videos covering a variety of products can be found here:
Tech Tips for G Force Performance Parts
G Force Performance Products provides the mounts, crossmembers, and swap tools that make your build fit like factory. Trusted by swappers across the country, these parts simplify your LT conversion and deliver performance-grade precision.
Ready to start your LT Swap? Check out our lineup of LT Parts.