Answering buyers’ needs, this guide highlights five complete LS engine swap kits and components that simplify relocating an LS-family engine into a wide range of vehicles. The selections cover front-accessory drives, mounts, VVT conversion, fuel system components, and bracket relocations. They’re suited for builders aiming to minimize fabrication, improve fitment, and ensure reliable performance. The following table summarizes the chosen products for quick comparison.
| Product | Brand | Key Use |
|---|---|---|
| Holley LS Swap Complete Front Accessory Serpentine Drive System | Holley | Best for: front-accessory drive with mid-mount water pump and premium alternator |
| for LS Swap Motor Mounts Adapter Plates | Mejiao | Best for: bolting LS engines into vehicles that originally had Small Block Chevy mounts |
| Michigan Motorsports VVT Conversion Kit for Gen IV LS Engines | Michigan Motorsports | Best for: converting from VVT to non-VVT camshafts during builds |
| ICT Billet SBC Vehicle to LS Engine Adapter Plate | ICT Billet | Best for: precise billet plates that reposition crankshaft centerline for LS swaps |
| EVIL ENERGY 58 PSI Fuel Filter Regulator Kit | EVIL ENERGY | Best for: reliable fuel control and high-flow pumping in LS EFI builds |
Holley LS Swap Complete Front Accessory Serpentine Drive System
Best for: builders seeking a ready-to-install front-accessory drive with a mid-mount water pump and a premium LT1-style 150-amp alternator. This bracketless system promises easier assembly and clearance. It is designed for Gen III/IV 4.8/5.3/LS1/LS2/LS3/LS6 engines with a black finish. Why chosen: integrates common LS-era components into one drive system, reducing custom fabrication and alignment challenges. Limitations: some swap configurations may require additional routing for heater hoses depending on radiator layout.
for LS Swap Motor Mounts Adapter Plates
Best for: converting a vehicle that originally had a small block Chevy into an LS-powered setup. This billet aluminum kit is CNC milled for precision, moving the crankshaft centerline up by 0.17 inches for improved performance. Why chosen: offers OEM-spec fitment and durability for a clean LS swap. Limitations: installation may require vehicle-specific clearance checks and adapter alignment during final assembly.
Michigan Motorsports VVT Conversion Kit for Gen IV LS Engines
Best for: builders upgrading from factory VVT to a standard non-VVT camshaft setup during rebuilds or cam swaps. This complete kit includes gaskets and hardware for a straightforward conversion. Why chosen: simplifies reliability and valve timing control when altering cam profiles. Limitations: not a standalone engine kit; requires compatible camshaft and supporting parts for a full build.
ICT Billet SBC Vehicle to LS Engine Adapter Plate
Best for: precise, aircraft-grade aluminum adapter plates to relocate the crankshaft centerline by about 0.17 inches for a cleaner LS swap fit. Why chosen: high-precision billet construction from USA manufacturing enhances fitment and durability. Limitations: requires proper alignment during installation and may need additional hardware for specific engine bays.
EVIL ENERGY 58 PSI Fuel Filter Regulator Kit
Best for: maintaining precise fuel pressure at 58 PSI and using a high-flow 300 LPH external pump for LS EFI conversions. This kit helps protect the engine from fuel delivery issues during swaps. Why chosen: combines regulator and pump in a way that supports high-performance LS builds. Limitations: suitable for 12V EFI systems; verify compatibility with your specific fuel system and lines.
Buying Guide
- What is your swap goal? If you need a complete front-drive system, choose the Holley unit for integrated components and ease of installation. For mounting versatility into older vehicles, consider the Mejiao or ICT Billet adapter plates.
- What vehicle are you swapping into? Classic cars may benefit from the QBselecar bracket and engine-relocation options to achieve proper belt and pulley alignment.
- Do you plan to run VVT or non-VVT? If converting VVT to non-VVT, the Michigan Motorsports kit provides necessary gaskets and hardware for a reliable conversion.
- How will you manage fuel delivery? The EVIL ENERGY regulator and pump combo supports stable pressure and high flow for EFI LS builds but ensure compatibility with your fuel rails and lines.
- Are you prioritizing OEM-fitment and durability? The ICT Billet and Mejiao adapters emphasize precise alignment and billet aluminum construction for long-lasting performance.
FAQ
- Q: Is a complete LS engine swap kit necessary for every project? A: Not always; it depends on vehicle compatibility and the level of fabrication you’re willing to perform. A complete kit simplifies fitment for many swaps.
- Q: Which kit offers the best overall value for a first-time LS swap? A: The Holley front-accessory system is a strong all-in-one option that reduces the need for custom fabrication in many installations.
- Q: Can these parts be mixed-and-matched across brands? A: Yes, but verify belt routing, pulleys, and mounting spacing to avoid fitment issues.
- Q: Do I need professional installation help? A: For major swaps, it’s recommended to consult an experienced technician to ensure alignment and safety.
- Q: Will these parts work with aftermarket fuel systems? A: Many will, but always confirm compatibility with your specific EFI system and fuel rails.
- Q: Are these parts legal for street use? A: Regulations vary by state and project; check local emission and inspection requirements before installation.