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#9104870
Adjustable LS Engine Motor Mount Adapter Kit, Black E-Coat
- Provides up to 3" of total adjustment range
- For GM LS engines Includes all hardware
- Polyurethane mounts not included
$142.99
/pair
In Stock
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Product Summary
Universal Fit, Steel, .25" Material Thickness
- Provides up to 3" of total adjustment range
- For GM LS engines Includes all hardware
- Polyurethane mounts not included
- Durable black E-coat finish resists rust and corrosion
- Made from 3-gauge (.293" thick) steel
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Speedway Motors 9104870 Details
These engine mount adapter kits are designed for LS engines across a wide range of applications. They offer up to 3 inches of total adjustment and feature a durable black E-coat finish for rust and corrosion resistance. Constructed from 3-gauge (.293 inch thick) steel for strength and durability.
- Provides up to 3" of total adjustment range
- For GM LS engines from 1997-2013
- Includes all hardware
- Catalog correction: polyurethane mounts are not included but are available separately
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Guides & Documents
Speedway Motors 9104870 Specifications
Speedway Motors 9104870 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 9104870 |
| Brand | Speedway Motors |
| GENERAL | |
| Material Type | Steel |
| Material Thickness | .25" |
| Finish | Black E-Coat |
| Hardware Included | Yes |
| Sold in Quantity | Kit |
| Notes | Silver Zinc coated hardware |
Ratings & Reviews
4.7
23 Reviews
Customers appreciate the product's versatility and quality in facilitating LS engine swaps effectively. They commend the product's adjustability, enabling success in fitting engines into tight areas or specific locations. Despite minor issues related to missing bolts, users confirm the product's utility in both classic and contemporary vehicle upgrades. The product's sturdiness, practicality, and perfect fit are highlighted as standout features. Furthermore, customers often recommend these brackets for classic GM LS conversions, testifying to their superior performance against competitors. The product's ease of assembly and installation is highly praised, simplifying the LS install process while ensuring optimal product performance. The product has delivered on promised features and expectations, leading to high customer satisfaction and frequent repeat uses.
Ratings & Reviews
4.7
23 Reviews
Customers appreciate the product's versatility and quality in facilitating LS engine swaps effectively. They commend the product's adjustability, enabling success in fitting engines into tight areas or specific locations. Despite minor issues related to missing bolts, users confirm the product's utility in both classic and contemporary vehicle upgrades. The product's sturdiness, practicality, and perfect fit are highlighted as standout features. Furthermore, customers often recommend these brackets for classic GM LS conversions, testifying to their superior performance against competitors. The product's ease of assembly and installation is highly praised, simplifying the LS install process while ensuring optimal product performance. The product has delivered on promised features and expectations, leading to high customer satisfaction and frequent repeat uses.
4.7
23 reviews
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Most Liked Positive Review
4.0
Yes
Haven't used it yet would have give 5 stars but did not come with all the lock nuts ,6 was missing according to the contents paper they were not in there but other than that fast shipping and a well made product .
Most Liked Negative Review
3.0
Adjustable LS engine mounts
Very Nice product,BUT< < < < < < would not fit my application on a 2016 LS motor out of a 2016 GMC. We are trying to fit our motor into a 1950 Chevy truck and needed motor mounts. These are very nice but are not even close!!
Filter by Ratings
Product was better than expected
5.0
a year ago
Rob
Acton Maine
Verified
I ordered these to use in a ls swap in a 1954 bel air. Its a tight fit and the room for adjusting helped a lot with placement
Would Recommend
I would buy it again
5.0
a year ago
Dubl 55
Cen Cal
Verified
Worked well for me
Would Recommend
LS old truck
5.0
2 years ago
Al
Alliance ne
Verified
Used for LS engine swap for old truck. Allowed me to position it exactly where I wanted it. Just dealt with more hardware and more time to put in place. Overall it worked out.
Would Recommend
Yes
5.0
3 years ago
Lionheart
Clovis n.m.
Verified
1959 Chevy truck Ls swap
Would Recommend
Not great
2.0
3 years ago
MB
New York, NY
Countersunk bolts don't lay flush and bolts to motor mount hit the freeze plug on driver side, so not truly seamless adjustment.
Would Not Recommend
Great mounts
5.0
5 years ago
Super man
Sunfish, Kentucky
Verified
Easy to assemble
Would Recommend
great mounts
5.0
5 years ago
52 fish van
pueblo, co
Verified
easily set your motor where you want it
Would Recommend
Greatly simplified the LS install process
5.0
6 years ago
Tachacardic
Kalamazoo MI
Verified
Always want this process to be easy, this product accomplished that. Lots of play (6inches), able to move front to back to fit trans to tunnel. Well made, strong plate. 5.3 into 65 ElCamino. will test its strength in a month or so quarter mile times.....
Would Recommend
product works great, allowed me to move engine small amounts
5.0
6 years ago
bw
Seattle wa
Verified
infinate adjustability helps fit tight areas
Would Recommend
Great product
5.0
6 years ago
Toddski
Nh
Verified
Simple install perfect fit
Would Recommend
Showing 10 of 23 reviews
Questions & Answers
Questions & Answers
22 Questions • 10 Answers
I have 1953 Ford .putting a. 2006 6.0 In. What motor mount. Will fit it.
by ben
• 7 years ago
1 answer
View Answer
I have a gmcR1500 will the motor mounts #9104870. . Putting an LS motor in it will these work
by Hotrod
• 7 years ago
1 answer
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Can you provide me with drawings for this universal motor mount, 910-4870? I'm interested in the counter sink hole spacing for the plate with 4 countersink holes. Thanks.
by Javierlin
• 7 years ago
1 answer
View Answer
I have a '66 Dodge A100 Van. I installed a LS1 and having tons of fun with it. I want to move the engine back to create space for a clutch fan instead of the electric one I have now. Can I use the adjustable mounts to slide it back 3"? This seem almost too easy.
by CJ
• 7 years ago
1 answer
View Answer
I have a 1938 Ford truck currently with a SBC, I am looking for mounts to install a LS1 (5.3) motor with a 4L60E transmission in there. Do you carry a set up for this.
by Jeremy
• 7 years ago
1 answer
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Has anyone used these for an ls swap into a 1978 and up GM G-Body? I have a 1979 Malibu that I plan on running the high mount accessory drive, AND air conditioning. Want to make sure there is no interference with the passenger side valve cover and the heater box. Thanks
by theIrishman
• 8 years ago
1 answer
View Answer
I have an 87 r10 with the v6. My question is will these still work to out the ls in the correct position as the frame perches are different on the v6 than the v8. If not, do you offer a product that will work?
by Shane
• 8 years ago
1 answer
View Answer
I have a 1955 Chevy truck 3100. I am swapping out the straight six for an LS1with a 4L60 transmission. Will these brackets work and what other products will I need to mount it. Thanks
by L5
• 8 years ago
1 answer
View Answer
Im installing a Ls motor in a 1970 nova I already have the motor mounts on the crossmember of the car. Do I need to buy SBC mounts also like your Part # 54562500 for these to work?
by Texasdogman
• 9 years ago
1 answer
View Answer
Will these work for a 1962 Thunderbird? Frame mounts are 18" apart.
by B
• 9 years ago
1 answer
View Answer
10 of 22 questions shown