A strong LS swap motor mount delivers vehicle-specific fitment or adaptable positioning for builders installing an LS engine in a classic GM car, truck, or G-body. The right choice depends less on a universal claim and more on matching the bracket design to the chassis, original engine mounts, transmission, and available clearance. This roundup includes dedicated mounts for Square Body and OBS trucks, a G-body adapter kit, small-block-to-LS plates, and applications for older GM muscle cars.
Slotted designs can help fine-tune engine placement, while adapter plates preserve existing small-block mounting locations. Material also varies from billet or CNC-milled aluminum to alloy or cold-rolled steel.
Check the listed vehicle range, engine family, transmission support, hardware, and installation requirements before ordering.
The best LS swap motor mount is the one that matches your chassis and mounting approach. For Square Body or OBS Chevy and GMC trucks, Goopool, ForoGore, IHOUMEX, and daola888 offer vehicle-specific brackets, with adjustable designs on several models. For a small-block Chevy vehicle retaining existing mounts, ICT Billet, Yoursme, and Mejiao provide aluminum adapter plates.
The maXpeedingrods kit targets G-body applications, while Trans-Dapt serves specified Camaro and Nova installations. Compare fitment, adjustment range, material, transmission compatibility, and included hardware before choosing.
LS Swap Motor Mounts Comparison
How We Compared These Products
We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from Goopool, daola888, Yoursme, RJSPHH, Trans-Dapt, Mejiao, ICT Billet, maXpeedingrods, ForoGore, and IHOUMEX.
The shortlist includes products such as Goopool LS Swap Motor Mounts Compatible with 1973-1998 Square Body / OBS Chevy GMC Truck, daola888 LS Swap Motor Mounts for Square Body/OBS Truck.1973-1998 Black, and Yoursme for LS Swap Motor Mounts Adapter Plates. Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.
Detailed Reviews: Best Ls Swap Motor Mounts
1. LS Swap Motor Mounts Compatible with 1973-1998 Square Body / OBS Chevy GMC Truck 2WD,4WD Adjustable Swap Engine Conversion Bracket for C10 C/K 1500
Best for: Square Body LS Swaps.
Featuring slotted adjustability for precise engine placement, these Goopool LS swap motor mounts are engineered for 1973-1998 Square Body and OBS Chevy GMC trucks. They accommodate a wide range of LS series engines and standard or automatic transmissions, simplifying your conversion project.
Constructed from durable alloy steel, these mounts are designed to fit all Chevrolet LS Series Engines, including LS1 through LS9 and various Vortec truck engines. The adjustable slotted design allows for fine-tuning engine positioning within the engine compartment, crucial for clearing headers and other components. This ensures a smoother installation process for your LS engine swap into C10 and C/K 1500 models.
Product Details
| Brand | Goopool |
|---|---|
| Color | Black |
| Included Components | no |
| Item Dimensions | 10.7 x 5.3 x 5.2 inches |
| Item Weight | 3.16 kg |
| Dimensions | 10.7 x 5.3 x 5.2 inches |
| Manufacturer | KASSEN |
Additional Product Information
| Part Number | LS-ESM |
|---|---|
| Material | Alloy Steel |
| Model Number | LS-ESM |
Pros
- Adjustable for precise engine placement
- Compatible with all Chevrolet LS Series Engines
- Supports various standard and automatic transmissions
- Durable alloy steel construction
Cons
- Item dimensions are 10.7 x 5.3 x 5.2 inches.
Ideal for owners of 1973-1998 Square Body or OBS Chevy/GMC trucks looking to install an LS engine, these mounts offer crucial adjustability for a successful swap, provided the dimensions fit your specific needs.
2. LS Swap Motor Mounts for Square Body/OBS Truck.1973-1998 Black
Best for: OBS Truck LS Swaps.
The daola888 LS swap motor mounts offer an adjustable design specifically for 1973-1998 Square Body and OBS Chevy GMC trucks. This adjustability allows for precise engine fitment and positioning, crucial for a clean LS engine swap build.
Crafted from alloy steel, these black-finished mounts are compatible with 1973-1998 OBS and Square Body Chevy/GMC 2WD and 4WD trucks, including C10 and C/K 1500 models. The adjustable conversion brackets facilitate exact positioning of the LS engine within the engine compartment, simplifying the installation workflow and ensuring proper clearance for other components.
Product Details
| Brand | daola888 |
|---|---|
| Color | Black |
| Included Components | Alternator Bracket |
| Item Dimensions | 8.9 x 4.4 x 3.15 inches |
| Item Weight | 2.4 pounds |
| Dimensions | 8.9 x 4.4 x 3.15 inches |
| Manufacturer | Daola888 |
Additional Product Information
| Material | Alloy Steel |
|---|---|
| Model Number | Daola888-lsmm-7398 |
Pros
- Adjustable for precise engine fitment
- Designed for 1973-1998 Square Body/OBS trucks
- Includes alternator bracket
- Durable alloy steel construction
Cons
- Item weight is 2.4 pounds.
Perfect for 1973-1998 Square Body or OBS truck owners undertaking an LS swap, these mounts provide necessary adjustability, though users should verify the included alternator bracket meets their specific swap needs.
3. 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
Best for: SBC to LS Conversion.
These Yoursme adapter plates enable the installation of an LS series engine into vehicles originally equipped with a small block Chevy engine, utilizing existing mounts. Made with OEM specifications, they ensure optimal fitment and a slight adjustment to the crankshaft centerline.
Constructed from aluminum, these universal swap brackets are designed to seamlessly integrate LS engines like the LS1, LS3, and LQ4 into SBC-equipped vehicles. The adapter plates move the crankshaft centerline up by 0.17 inches, aiding in alignment. The package includes all necessary flat head and flange bolts for a straightforward installation process.
Product Details
| Brand | Yoursme |
|---|---|
| Color | Silver |
| Item Weight | 1.01 kg |
| Manufacturer | Yoursme |
| Part Number | LSI |
| Material | Aluminum |
| Model Number | 551628 |
Pros
- Converts SBC vehicles to LS engines
- Made with OEM specifications for fitment
- Aluminum construction
- Includes necessary hardware
Cons
- Moves crankshaft centerline up 0.17 inches.
An excellent choice for builders converting a small block Chevy vehicle to an LS engine, these universal adapter plates offer precise fitment, though the crankshaft centerline adjustment should be considered for your build.
4. Slider SBC/BBC to LS Engine Conversion Swap Mounts Compatible with 1997-2015 Gen III/IV LS Series Engine
Best for: Muscle Car LS Swaps.
RJSPHH slider engine conversion swap mounts are designed for installing Gen III/IV LS series engines into older GM muscle cars and trucks. They are compatible with standard three-bolt factory-style engine mounts from 1958 to 1972, and Corvettes from 1962 to 1991.
These black-finished mounts, made from alloy steel, facilitate the swap of 1997-2015 Gen III/IV LS series engines into a variety of classic GM applications. They are specifically designed to work with older three-bolt engine mount configurations, ensuring compatibility with a wide range of muscle cars and trucks from the 1950s through the early 1990s. A 1-year warranty is included.
Product Details
| Brand | RJSPHH |
|---|---|
| Color | Black |
| Included Components | Comes as a Combo Set |
| Item Dimensions | 10.24 x 4.33 x 3.74 inches |
| Item Weight | 4.42 kg |
| Dimensions | 10.24 x 4.33 x 3.74 inches |
| Manufacturer | RJSPHH |
Additional Product Information
| Part Number | JZ214 |
|---|---|
| Model Number | JZ214 |
Pros
- Compatible with 1997-2015 Gen III/IV LS engines
- Fits older GM muscle cars and trucks
- Works with standard 3-bolt engine mounts
- Includes 1-year warranty
Cons
- Will not fit 1967-72 4×4 Chevrolet GMC trucks.
Ideal for owners of classic GM muscle cars and trucks (1958-1991 Corvette) looking to install a Gen III/IV LS engine, these mounts offer broad compatibility, but are not suitable for 1967-72 4×4 Chevy/GMC trucks.
5. Trans-Dapt Performance 4201 LS Engine Swap Mount Kit
Best for: F-Body/X-Body LS Swaps.
The Trans-Dapt Performance 4201 LS Engine Swap Mount Kit is specifically designed for installing LS engines into 1967-69 F-Body (Chevy Camaros) and 1968-74 X-Body (Chevy Novas) vehicles.
This engine swap motor mount kit utilizes rubber and steel construction to facilitate the installation of GM LS engines into classic F-Body and X-Body platforms. It includes bolts and studs for both automatic and manual transmission setups, simplifying the process for Camaro and Nova owners seeking to upgrade to an LS powerplant.
Product Details
| Brand | Trans-Dapt |
|---|---|
| Item Weight | 16.61 pounds |
| Item model number | 4201 |
| Manufacturer | Trans Dapt |
| Part Number | 4201 |
| Model | JEGS |
| Dimensions | 11.9 x 8.5 x 3.9 inches |
Pros
- Designed for 1967-69 F-Body
- Designed for 1968-74 X-Body
- Includes bolts and studs
- Suitable for automatic or manual transmissions
Cons
- Kit uses rubber pads.
A targeted solution for 1967-69 Camaro and 1968-74 Nova owners performing an LS engine swap, this kit provides the necessary components for a successful installation, specifically designed for these classic GM platforms.
6. 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
Best for: SBC to LS Universal Swap.
Mejiao LS conversion adapter plates are crafted from CNC-milled aluminum, offering a universal solution for installing LS engines into vehicles that originally housed small block Chevy engines. These plates are manufactured to OEM specifications for precise fitment.
These silver-finished adapter plates are made from premium aluminum, ensuring accuracy and durability for your LS engine swap. They are designed to move the crankshaft centerline up by 0.17 inches, which can aid in optimizing engine placement. The CNC milling process guarantees a high level of precision, simplifying the integration of an LS engine into your existing SBC vehicle.
Product Details
| Brand | Mejiao |
|---|---|
| Color | Silver |
| Item Dimensions | 7 x 4 x 0.7 inches |
| Item Weight | 1.01 kg |
| Dimensions | 7 x 4 x 0.7 inches |
| Manufacturer | IVARKEY |
| Part Number | IVARKE-1101-1 |
Additional Product Information
| Material | Aluminum |
|---|---|
| Model Number | IVARKE-1101-1 |
Pros
- Universal fit for SBC to LS conversion
- CNC milled aluminum construction
- Moves crankshaft centerline up 0.17 inches
- Designed to OEM specifications
Cons
- Moves crankshaft centerline up 0.17 inches.
Ideal for builders converting a small block Chevy vehicle to an LS engine, these universal adapter plates provide precise, CNC-machined fitment, though the crankshaft centerline adjustment should be considered for your specific application.
7. ICT Billet SBC Vehicle to LS Engine – Motor Mount Adapter Plate – Universal Swap Bracket Small Block LS Conversion Adjustable LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 Billet 551628
Best for: Wichita-Made LS Adapters.
ICT Billet adapter plates are precision-engineered from aerospace-grade, USA-produced billet aluminum, meeting OEM specifications for optimal fitment when swapping an LS engine into a small block Chevy vehicle. These plates adjust the crankshaft centerline by 0.17 inches.
Manufactured in Wichita, Kansas, these natural aluminum finish adapter plates are designed for seamless LS engine integration into SBC-equipped vehicles. The 3/8" thick billet aluminum construction ensures durability, while the 0.17-inch crankshaft centerline adjustment aids in proper engine positioning. The kit includes two adapter plates and all necessary M10-1.5 bolts for installation.
Product Details
| Brand | ICT Billet |
|---|---|
| Color | Natural |
| Item Dimensions | 8 x 5 x 1 inches |
| Item Weight | 2.1 pounds |
| Dimensions | 8 x 5 x 1 inches |
| Manufacturer | ICT Billet |
| Part Number | 551628 |
Additional Product Information
| Material | Aluminum |
|---|---|
| Model Number | 48dba251-1ede-4eff-a5fe-4c2b0a1c5d58 |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: This product can expose you to chemicals including styrene which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Pros
- Made from USA-produced billet aluminum
- OEM specifications for precise fitment
- Adjusts crankshaft centerline by 0.17 inches
- Includes all necessary hardware
Cons
- Contains chemicals known to cause cancer.
A top choice for LS swap enthusiasts prioritizing American-made quality, these billet aluminum adapter plates offer precise fitment for SBC to LS conversions, though buyers should be aware of the California Proposition 65 warning.
8. maXpeedingrods LS Engine Swap Mount Adapter Kit for G-Body 1973-1988
Best for: G-Body LS Swaps.
The maXpeedingrods LS engine swap mount adapter kit is specifically designed for 1973-1988 G-body vehicles, allowing for the installation of LS1-LS6 and other compatible LS engines. These adjustable conversion mounts facilitate precise engine placement.
Constructed with special powder coating for corrosion resistance, these adapter mounts allow the engine to be moved up to 1/2 inch forward and up to 1 inch higher from the original bell housing position. This adjustability is crucial for eliminating clearance and fitment issues when installing an LS engine into G-body cars like the Monte Carlo, ensuring a smoother workflow.
Product Details
| Brand | maXpeedingrods |
|---|---|
| Item Weight | 10.27 pounds |
| Manufacturer | Autoshoppingcenter |
| Part Number | OP13 |
| Dimensions | 10.94 x 8.98 x 6.3 inches |
Pros
- Designed for 1973-1988 G-body vehicles
- Allows engine movement forward and upward
- Eliminates clearance issues
- Corrosion-resistant powder coating
Cons
- No instruction included.
An excellent option for 1973-1988 G-body owners performing an LS swap, these mounts offer significant adjustability for engine placement, though professional installation is recommended due to the lack of included instructions.
9. ForoGore LS Conversion Engine Swap Mounts, Compatible with Chevy GMC C10
Best for: C10 LS Swaps.
ForoGore LS swap motor mounts are engineered to adjust engine placement within the engine compartment, designed for compatibility with 1973-1998 OBS and Square Body Chevy/GMC trucks. These brackets support various transmission installations.
Constructed from durable alloy steel, these black mounts are suitable for a wide range of LS engines and transmissions, including 4L60E, TH350, and TH400. Their design allows for precise positioning of the LS engine in 2WD and 4WD C/K trucks, facilitating a cleaner installation and ensuring proper fitment for components like headers and exhaust systems.
Product Details
| Brand | ForoGore |
|---|---|
| Color | Black |
| Included Components | LS Conversion Engine Swap Mount with Screws |
| Item Dimensions | 10.6 x 5.2 x 5.2 inches |
| Dimensions | 10.6 x 5.2 x 5.2 inches |
| Manufacturer | ForoGore |
| Part Number | M28602 |
Additional Product Information
| Material | Alloy Steel |
|---|---|
| Model Number | M28602 |
Pros
- Adjustable engine placement
- Compatible with 1973-1998 OBS/Square Body
- Supports multiple transmission types
- Durable alloy steel construction
Cons
- Item dimensions are 10.6 x 5.2 x 5.2 inches.
Ideal for 1973-1998 OBS or Square Body Chevy/GMC truck owners performing an LS swap, these mounts offer essential adjustability for engine placement, ensuring compatibility with common transmissions, provided the dimensions suit your build.
10. LS Swap Motor Mounts Fits 1973-1998 OBS Square Body Chevy GMC 2WD 4WD C/K Trucks, Compatible with LS1-LS9 Vortec 4.8L-6.2L Engines Fits 4L60E TH350 TH400 4L80 Transmissions
Best for: OBS Truck LS Engine Fitment.
IHOUMEX LS swap motor mounts are CNC laser-cut and fabricated for a perfect fit on 1973-1998 OBS Square Body Chevy/GMC trucks. They are compatible with LS1-LS9 and Vortec 4.8L-6.2L engines, as well as 4L60E, TH350, TH400, and 4L80 transmissions.
Built from high-carbon cold-rolled steel with a corrosion-resistant powder coat, these black mounts offer strength and durability for extreme engine torque. The slotted design allows for fine-tuning engine placement, solving common clearance issues with headers, steering, and transmission linkage. This ensures a hassle-free fitment on your Square Body or OBS chassis.
Product Details
| Brand | IHOUMEX |
|---|---|
| Color | Black |
| Included Components | 2 Ls Swap Motor Mount Brackets, Installation Accessories, Mounting Hardware |
| Item Dimensions | 10.5 x 5.3 x 5.2 inches |
| Item Weight | 2.65 kg |
| Dimensions | 10.5 x 5.3 x 5.2 inches |
| Manufacturer | Ihoumex |
Additional Product Information
| Part Number | LS Swap |
|---|---|
| Material | High Carbon Cold Rolled Steel |
| Model Number | LS Swap Motor Mount Brackets |
Pros
- CNC laser-cut for perfect fitment
- Compatible with LS1-LS9 engines
- Supports multiple transmissions
- High-carbon cold-rolled steel construction
Cons
- Slotted design allows fine-tuning engine placement.
A robust choice for owners of 1973-1998 OBS or Square Body Chevy/GMC trucks undertaking an LS swap, these mounts provide exceptional strength and adjustability, ensuring compatibility with a wide range of LS engines and transmissions.
What Buyers Often Overlook
Chassis fitment and mounting style
Chassis fitment is the first decision because these products do not share one universal mounting location. Goopool, daola888, ForoGore, and IHOUMEX target Square Body or OBS Chevy and GMC trucks, including 2WD and 4WD configurations in their listed applications. The maXpeedingrods kit instead targets G-body vehicles.
Trans-Dapt specifies particular Camaro and Nova applications, while RJSPHH is intended for older GM vehicles using a standard three-bolt factory-style engine mount and excludes certain four-wheel-drive truck applications. ICT Billet, Yoursme, and Mejiao take a different approach: their adapter plates let an LS engine bolt into a vehicle that originally used a small-block Chevy engine and existing mounts.
Confirm the chassis family, drivetrain configuration, original mount style, and engine generation before treating a bracket as interchangeable.
The Key Product Trade-Off
Adjustment, materials, and clearance planning
Adjustability helps when engine placement must be fine-tuned, but it does not replace checking the complete drivetrain layout. Goopool, ForoGore, IHOUMEX, and maXpeedingrods describe slotted or adjustable designs for positioning the engine in the compartment. IHOUMEX specifically identifies clearance around headers, steering, and transmission linkage as a reason to fine-tune placement, while maXpeedingrods describes movement relative to the original bellhousing position.
Adapter plates from ICT Billet, Yoursme, and Mejiao are aluminum; ICT Billet specifies 3/8-inch billet aluminum and includes two plates with mounting hardware. Truck brackets use alloy steel in several listings, while IHOUMEX specifies high-carbon cold-rolled steel with powder coating.
Trans-Dapt combines rubber pads and steel. Review material, hardware, and adjustment details together, especially where installation instructions are not included.
Best Ls Swap Motor Mounts: Buyer's Guide
Fit, Dimensions, and Compatibility
Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.
Capacity, Output, and Operating Format
Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.
Materials, Construction, and Care
Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.
Included Components and Setup Needs
Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.
Which Should You Choose?
Choose a vehicle-specific truck bracket if the project is a Square Body or OBS Chevy or GMC, and prioritize adjustable slots when header, steering, or transmission clearance may need fine-tuning. IHOUMEX suits buyers who want listed mounting hardware plus high-carbon cold-rolled steel, while Goopool and ForoGore list support for several common automatic transmissions. Choose maXpeedingrods for a G-body application, noting that professional installation is recommended and instructions are not included.
For a small-block Chevy chassis that retains its existing mounts, ICT Billet, Yoursme, or Mejiao adapter plates are the relevant format; ICT Billet adds specified billet construction and included bolts. Choose Trans-Dapt for its stated Camaro and Nova applications, or RJSPHH for compatible three-bolt factory-style mounts after checking exclusions.
Quick Buying Checklist
- Confirm the complete dimensions against the available space.
- Verify model, accessory, connection, and appliance compatibility.
- Match capacity or output to the expected amount of use.
- Compare materials and care instructions with the maintenance routine.
- Check the included components before planning setup or first use.
- Confirm listed power, water, storage, or installation requirements where applicable.
Frequently Asked Questions
What is the primary function of LS swap motor mounts?
LS swap motor mounts are designed to adapt an LS engine into a vehicle that did not originally come with one. They provide the necessary positioning and isolation to securely mount the new engine while accommodating its specific dimensions and drivetrain connections.
Are LS swap motor mounts universal or vehicle-specific?
Many LS swap motor mounts are designed as universal adapter plates, allowing them to fit a wide range of vehicles and engine combinations. However, some are specifically engineered for particular vehicle models or chassis types, like Square Body trucks or G-bodies.
What materials are commonly used for LS swap motor mounts?
LS swap motor mounts are frequently constructed from durable materials such as billet aluminum or steel. These materials offer strength and longevity, crucial for handling the torque and vibration of an LS engine, especially in performance applications.
Can these mounts accommodate different LS engine variants?
Yes, many LS swap motor mounts are designed to be compatible with a broad spectrum of LS engines, including popular variants like the LS1, LS3, LS2, LQ4, and LQ9. This versatility ensures they can be used for various LS engine swap projects.
What is the benefit of adjustable LS swap motor mounts?
Adjustable LS swap motor mounts offer greater flexibility during the engine installation process. They allow for fine-tuning of engine placement, which can be critical for achieving proper hood clearance, exhaust manifold fitment, and driveline alignment.
Final Words
Selecting the right LS swap motor mounts depends on your specific vehicle and engine. For OBS Square Body trucks, dedicated mounts offer a precise fit. Universal adapter plates provide flexibility for various SBC/BBC conversions.
Consider adjustable options for easier installation and optimal component clearance.