Best Universal Ls Motor Mounts for Custom Swaps

#1 · Best Overall

1. GSKMOTOR LS Conversion Mounts

• Weight: 4.07 kg
• Material: Alloy Steel
• Material Type: Alloy Steel

Best for: Five-variant LS frame swaps.

Why it ranks #1: Includes two mounts and four weld-on frame brackets, with mild steel, polyurethane bushings and listed fitment for LS1 through LS7 engines.

Compatibility with LS1, LS2, LS3, LS6, and LS7 gives this GSKMOTOR mount set a broad, clearly named engine range. It pairs two cut-to-fit mounts with four weld-on frame brackets, a useful combination for builders adapting a newer LS engine to an older car or truck.

The five listed engine variants make this set relevant across several LS conversion plans, while its cut-to-fit format accommodates varied car and truck projects. Two motor mounts and four weld-on frame brackets are included, so the package supplies the pieces needed for a fabrication-based mounting layout. Mild steel is TIG-welded, and polyurethane bushings are specified; together, these details help buyers assess both the bracket installation method and the mount construction before beginning the swap.

Skip it if you need an installation that avoids welding frame brackets; the included brackets are specified as weld-on parts.

Consider this set for an LS1, LS2, LS3, LS6, or LS7 swap where cut-to-fit mounts and weld-on brackets match the vehicle’s fabrication plan. The weld-on approach is an important installation boundary.

Listed on Amazon as: Universal LS Engine Motor Mounts Conversion Swap by GSKMOTOR – Compatible with Chevrolet LS Conversions LS1 LS2 LS3 LS6 LS7 Engine Motor Mounts (LS Conversion Swaps)

#2 · Broad Engine Fit

2. ECOTRIC LS Mounts

• Weight: 4.15 kg
• Material: Alloy Steel
• Material Type: Alloy Steel

Best for: Broad LS-series engine swaps.

Why it ranks #2: Heavy-duty alloy steel mounts are listed for LS1, LS2, LS3, LS6 and LS7 swaps, and the package includes a pair of mounts.

Compatibility spanning LS1, LS2, LS3, LS6, and LS7 makes ECOTRIC’s steel mounts a fit for several common LS swap plans. The pair is intended to move a newer LS engine into an older car or truck, while heavy-duty alloy steel addresses demanding environments and impact exposure.

The listed engine range covers five LS variants, giving a builder more specified options than a mount set naming only a small subset. ECOTRIC supplies one pair of engine mounts, so the package focuses on the engine-side mounting pieces rather than listing frame brackets or installation hardware. Its heavy-duty alloy-steel construction is described as impact-resistant and suitable for tough weather and environments, useful for older-car or truck swap projects exposed to demanding conditions.

Skip it if you need frame brackets in the same package; GSKMOTOR's LS1/LS2/LS3/LS6/LS7 mount set includes four weld-on brackets.

This pair suits builders moving one of the listed LS engines into an older car or truck and prioritizing steel mounts for demanding conditions. Plan separately for frame brackets and other installation pieces.

Listed on Amazon as: ECOTRIC LS Engine Motor Mounts Conversion Swap Compatible with LS Series

#3 · Polyurethane Bushings

3. GSKMOTOR Universal Mounts

• Weight: 9.06 lb

Best for: Polyurethane-bushed custom swaps.

Why it ranks #3: Provides two cut-to-fit mounts and four weld-on frame brackets with polyurethane bushings; stated fitment covers LS1, LS2, LS3 and LS6.

Polyurethane bushings and TIG-welded mild-steel mounts give this GSKMOTOR set a defined construction for adapting an LS engine to an older car or truck. Its cut-to-fit format is intended to accommodate varied vehicles, and the package includes both two motor mounts and four weld-on frame brackets.

The stated fitment covers Chevrolet LS1, LS2, LS3, and LS6 engines, while the cut-to-fit design broadens the possible vehicle applications to trucks and cars. Two mounts and four weld-on frame brackets give the fabricator both mounting components listed for the conversion. TIG-welded mild steel forms the mounts, and polyurethane bushings are included; together these details help buyers evaluate construction and installation approach before choosing this set for a custom swap.

Skip it if you need listed LS7 compatibility; GSKMOTOR's model 26-1013 mount set explicitly includes LS7 among its compatible engines.

For a fabricator working with a listed LS1, LS2, LS3, or LS6 engine, this package combines cut-to-fit mounts with weld-on brackets and polyurethane bushings. Its stated fitment does not cover every LS variant.

Listed on Amazon as: Universal Engine Motor Mounts

#4 · Corrosion-Resistant Steel

4. SHLPDFM LS Mounts

• Material: Alloy Steel
• Material Type: Alloy Steel

Best for: Street-rod and off-road swaps.

Why it ranks #4: This complete pair-and-bracket kit uses tig-welded mild steel and polyurethane bushings, with stated use in street-rod and off-road builds.

SHLPDFM specifies polyurethane-bushed, TIG-welded mild-steel mounts for street-rod and off-road LS conversions. The six-piece set consists of two motor mounts and four weld-on frame brackets, giving a fabricator the listed mount and frame components for a custom installation.

The package’s two mounts and four weld-on brackets make its contents clear for a fabrication-oriented swap, while the product specifically identifies street rods and off-road rigs as intended applications. Mild steel and TIG-welded construction describe the mount structure; polyurethane bushings are also included. The listing describes the materials as corrosion-resistant and resistant to high and low temperatures and aging, considerations for vehicles used in varied environments. The weld-on brackets remain part of the installation plan.

Skip it if you need frame brackets that do not require welding; this set explicitly includes weld-on brackets for its mounting arrangement.

Street-rod and off-road builders can consider this six-piece set when mild-steel mounts, polyurethane bushings, and weld-on frame brackets fit their fabrication plan. The listed package does not describe a bolt-on frame-bracket installation.

Listed on Amazon as: 6 PCS/SET SHLPDFM Black Motor Mounts LS Engine Motor Mounts (LS Conversion Swap) Universal Compatible with Chevrolet LS1, LS2, LS3, LS6, LS Engines

#5 · Adjustable Plates

5. BLACKHORSE-RACING Adjustable Mounts

• Weight: 11.36 lb

Best for: Position-adjustable LS fabrication.

Why it ranks #5: Its adapter plates slide two inches forward or backward, while long tabs can be cut and welded to fit a custom chassis.

Two inches of forward-or-reverse adjustment is the defining feature of BLACKHORSE-RACING’s LS mount adapters. That range lets a fabricator reposition the engine while fitting the included 5.5-inch usable tabs to a chassis, making the kit relevant to custom frames, hot rods, rock crawlers, and dune buggies.

The adapters bolt to the side of the LS block and slide forward or backward through two inches of adjustment, giving the installer a defined positioning range during a custom swap. Two tabs provide 5.5 inches of usable length to cut and weld into the chassis. The package also lists two conversion mounts, four adapter plates, nuts, gaskets, and screws, plus grade 8-or-better hardware and polyurethane bushings, supporting a fabrication-focused installation workflow.

Skip it if you want a kit with instructions included; these adjustable mounts are supplied without them, and professional installation is recommended.

This adjustable kit suits experienced fabricators who need to shift an LS engine fore or aft and cut tabs to suit a custom chassis. Account for welding work and the stated lack of included instructions.

Listed on Amazon as: LS Swap Mounts Adjustable Conversion Motor Mounts & Adapters Plates

#6

6. maXpeedingrods LS Plates

Best for: Custom-frame fabrication projects.

Why it ranks #6: Cut-to-fit steel adapter plates target custom frames and varied builds, with a black coating described as corrosion resistant.

Cut-to-fit LS swap adapter plates give custom builders a way to adapt the mounting layout to a hot rod, street rod, rock crawler, dune buggy, or custom-frame vehicle. The steel construction and corrosion-resistant black coating suit projects that may face vibration, heavy loads, or harsh off-road conditions.

These plates are intended for custom applications rather than a single named chassis, and their cut-to-fit format lets builders shape the adapters around a project’s mounting arrangement. Premium-grade steel and a rugged black coating support use where vibration, heavy loads, and weather are concerns. The product also claims reduced engine movement and vibration to help maintain drivetrain alignment. They are adapter plates, so the buyer’s workflow includes fitting them to the chosen vehicle and completing the surrounding installation.

Skip it if you want a complete mount-and-frame-bracket set; IBESTWOLF's LS1/LS6 set includes motor mounts, frame brackets, and hardware.

Custom hot-rod, off-road, and custom-frame builders can use these plates when they want an adaptable LS mounting starting point. Allow for project-specific cutting and fitting; this is not presented as a complete frame-bracket kit.

Listed on Amazon as: maXpeedingrods LS Swap Mounts Conversion Motor Mounts Adapters Plates

#7

7. IBESTWOLF LS Bracket Set

• Weight: 5.45 kg
• Material: Alloy Steel
• Material Type: Alloy Steel

Best for: LS1 and LS6 bracket installations.

Why it ranks #7: The set includes engine and frame brackets with bushings and hardware, plus stated LS1 and LS6 fitment and slotted adjustment holes.

A paired motor-mount set with frame brackets and hardware makes this IBESTWOLF kit a consolidated option for LS1 and LS6 swaps. Its slotted vertical bolt holes provide adjustment at the engine flange, which can help with positioning during installation when the specified bracket dimensions suit the project.

The set includes a pair of motor mounts, frame brackets, and hardware, so buyers receive the listed mounting components together rather than sourcing each separately. The 4-bolt engine flange measures 6-5/8 by 4-1/2 inches, with horizontal holes 4-3/8 inches apart and slotted vertical holes 3-1/4 inches apart. Those slots allow adjustment at the flange, while the stated LS1/LS6 compatibility makes this a focused choice rather than a broadly specified LS-series kit.

Skip it if you need listed compatibility with LS2, LS3, LS7, or other LS variants; ECOTRIC's LS-series mounts name several of those engines.

Choose this kit for an LS1 or LS6 project where a paired mount-and-bracket package and slotted flange adjustment suit the installation. Its stated engine fit is narrower than products listing additional LS variants.

Listed on Amazon as: Motor Mount Set Engine & Frame Brackets with Bushings Compatible with Chevy LS1 LS6 LS-1 LS-6 Universal LS Motor Engine Swap

#8

8. TAKPART Universal Mounts

• Weight: 4.05 kg
• Material: Rubber, Polyvinyl Chloride
• Material Type: Rubber, Polyvinyl Chloride

Best for: LS1 through LS6 bracket kits.

Why it ranks #8: Includes two mounts and four weld-on frame brackets for LS1, LS2, LS3 and LS6 engines, though material details are less robustly specified.

Two motor mounts plus four weld-on frame brackets give TAKPART’s kit a straightforward component list for a Chevrolet LS swap. Its stated fitment covers LS1, LS2, LS3, and LS6, while rubber and polyvinyl chloride are the listed materials for buyers comparing mount construction.

The package groups two mounts with four weld-on frame brackets, helping the installer plan around both the engine mounts and the frame-side pieces. TAKPART names Chevrolet LS1, LS2, LS3, and LS6 as compatible engines, giving the buyer a defined fitment range. Rubber and polyvinyl chloride are listed as materials, which provides a concrete basis for assessing the mount composition. Because the frame brackets are weld-on, installation involves that specified attachment method.

Skip it if you need listed LS7 fitment; GSKMOTOR's model 26-1013 set names LS7 alongside LS1, LS2, LS3, and LS6.

This is a practical option for a listed LS1, LS2, LS3, or LS6 project requiring weld-on frame brackets in the package. Buyers planning an LS7 swap should note its stated engine list.

Listed on Amazon as: Universal Engine Motor Mounts Compatible for LS1 LS2 LS3 LS6 LS7

#9

9. Yoursme LS Adapter Plates

• Weight: 1.01 kg
• Material: Aluminum
• Material Type: Aluminum

Best for: Small-block Chevy mount conversions.

Why it ranks #9: Aluminum plates let an LS engine use existing small-block Chevy mounts, but this narrower conversion does not provide a universal frame-mount kit.

These Yoursme aluminum adapter plates let an LS-series engine bolt into a vehicle that originally used a small-block Chevy, using the existing mounts. The plates move the crankshaft centerline up 0.17 inches, a specified positioning change for buyers planning an SBC-to-LS conversion.

The SBC-to-LS purpose is specific: the plates connect an LS-series engine to a vehicle’s existing small-block Chevy mounts, rather than supplying a complete set of engine and frame mounts. Their aluminum construction keeps the kit focused on adapter plates, and the listed package includes two plates, eight flat-head bolts, and six flange bolts. The 0.17-inch upward crankshaft-centerline shift gives builders a concrete layout consideration when planning the conversion and surrounding fit.

Skip it if you need motor mounts and frame brackets rather than SBC adapter plates; SHLPDFM's six-piece LS set includes both.

Choose these plates for an SBC-vehicle-to-LS conversion that will retain existing mounts and can accommodate the specified centerline shift. They are not a full mount-and-frame-bracket package.

Listed on Amazon as: for LS Swap Motor Mounts Adapter Plates – Universal Swap Bracket Small Block LS Conversion Adjustable Fit for LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 Billet Aluminum for SBC Vehicle to LS Engine

#10

10. Mejiao LS Adapter Plates

• Weight: 1.01 kg
• Material: Aluminum
• Material Type: Aluminum

Best for: CNC aluminum SBC adapters.

Why it ranks #10: CNC-milled aluminum plates adapt an LS engine to a vehicle with small-block Chevy mounts, a more specific use than universal chassis mounts.

CNC-milled aluminum plates give this Mejiao kit a defined way to fit an LS engine into a vehicle originally using a small-block Chevy. The adapters move the crankshaft centerline up 0.17 inches, so the buyer can account for that specified change while planning the installation.

The plates are described as an LS-to-small-block-Chevy conversion solution, with OEM specifications cited for fitment. Their CNC-milled aluminum construction supports a precision-machined adapter format, while the 0.17-inch upward crankshaft-centerline shift is a practical layout factor for the build. This product is an adapter-plate kit, not a listed set of complete motor mounts and frame brackets, so its role is to connect the LS engine to the vehicle’s existing small-block Chevy mounting arrangement.

Skip it if you need a complete mount-and-bracket kit; ECOTRIC's pair of LS mounts is a better match for a mount-focused package.

Mejiao’s plates suit an SBC-based vehicle conversion where the existing mounting arrangement and 0.17-inch centerline change fit the plan. Buyers needing complete mounts and frame brackets should choose a different kit type.

Listed on Amazon as: for LS Swap Motor Mounts Adapter Plates – LS Conversion Adjustable Universal Swap Bracket Small Block Kit for LS Engine, LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 Billet Aluminum