SKU: 84808416221

R & D Engine Mount w/4" Footprint - 12mm Stud - 30-90lbs Capacity Per Mount

Sale price$97.20 Regular price$108.00
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

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Description

R & D Engine Mount w/4" Footprint - 12mm Stud - 30-90lbs Capacity Per MountEngine Mount w 4" Footprint 12mm Stud 30 90lbs Capacity Per Mount The R & D Marine Engine Mounts are designed specifically for the rigors of marine applications. The mounts are stiff enough to absorb forward and reverse propeller thrust, yet soft enough to isolate drivetrain vibrations from the hull. To help increase the longevity of the mounts, all steel parts are zinc plated and pasivated to limit corrosion. The rubber component is covered by an oil

Engine Mount w/4" Footprint - 12mm Stud - 30-90lbs Capacity Per Mount

The R & D Marine Engine Mounts are designed specifically for the rigors of marine applications. The mounts are stiff enough to absorb forward and reverse propeller thrust, yet soft enough to isolate drivetrain vibrations from the hull.

To help increase the longevity of the mounts, all steel parts are zinc plated and pasivated to limit corrosion. The rubber component is covered by an oil shield to protect it from petroleum based products.

R & D Marine mounts are preloaded based on the combined engine and transmission weight to limit engine movement. To facilitate in the ease of installation the mounts are height adjusting and the mounting holes in the base of the mount are slotted to assist in alignment of the drivetrain.

How To Select (details required):
1.Define the total weight of the engine and the transmission.
2.Determine 60% of the total weight and then divide by 2 to determine the capacity of each of the rear mounts (the mounts on the tranmission side of the engine).
3.Determine 40% of the total weight and then divide by 2 to determine the capacity of each of the front mounts (the mounts opposite the tranmission side of the engine).
4.Determine the stud necessary stud diameter and footprint of the mount.
5.Choose mount most appropriately sized for the per mount weight. When possible, choose the mount nearest the middle of the weight range.

Example:
Engine weight is 480lbs., transmission weight is 110lbs., footprint is 4", stud diameter is 5/8".
Total weight is 590lbs.
590 x .6 / 2 = 177 lbs per rear mount. Mounts required are 800-010
590 x .4 / 2 = 118 lbs per rear mount. Mounts required are 800-037

Why R&D Marine Engine Mounts?

  • Designed for marine use, accepts propeller and engine thrust in both directions
  • Offers a fail safe design
  • R & D Marine Mounts are height adjustable
  • Pre-loaded to reduce movement
  • Slotted holes in base to assist in alignment
  • Mount types to fit all applications


Quick Guide (pdf)
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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84808416221

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Amazon Customer
Port Orchard, US
★★★★★ 5
Very happy with it
Color: Black (Stretch Fabric), Size: Small, Color: Black (Stretch Fabric), Size: Small
Very nice suit! Pay attention to the measurements and sizing! It worked out great for a prom suit. It did come with a vest, tie and cuff links also.
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Reviewed in the United States on May 2, 2026
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RoMom
Dallas, US
★★★★★ 5
Gorgeous But Size Up
Color: Burgundy (Stretch Fabric), Size: Small
The suit has a beautiful, rich burgundy color — truly eye‑catching and elegant. Unfortunately, the fit was a major issue. I recommend sizing up at least one size, especially if you have fuller thighs or glutes. The pants were very tight in the thigh and buttocks area, the vest didn’t cover the lower hip area, and the jacket sleeves ran short with a tight fit in the shoulders. Overall, the small felt more like a youth small rather than an adult small. Our set also did not include the pocket square as advertised, though it did come with a white dress shirt and a mini black tie with a matching pocket square. The material itself felt okay — not bad, but not great. We really wanted to love this suit because the color is gorgeous, but due to the sizing inconsistencies and missing item, we couldn’t keep it.
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Reviewed in the United States on May 20, 2026
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Gladys A. Colon
Port Orchard, US
★★★★★ 2
It stains white shirt
Color: Burgundy (Stretch Fabric), Size: Large
Nice suit, but Very dissatisfied the color is not fast. It stained my husbands white shirt when he used it for a recent event.
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Reviewed in the United States on January 27, 2026
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Shanterrius Austin
Lexington, US
★★★★★ 5
PUT IT ON
Size: Medium, Color: Red, Size: Medium, Color: Red
Everything about this suit is pure perfection—flawless fit, premium feel, and standout style. From the sharp tailoring to the fine details, it delivers confidence and class in every step. Whether for work or a special occasion, this suit truly exceeds expectations.
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Reviewed in the United States on May 2, 2026
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LaShelle Lee
Alexandria, US
★★★★★ 5
Impressive Quality and Style – A Perfect Prom Look!
Size: Small, Color: Maroon Collar Black
I purchased the YND Men's 3-Piece Slim Fit Tuxedo Suit Set for my son's prom, and I couldn’t be more thrilled with the results. From the moment he put it on, it was clear this suit was something special. The fit was absolutely sharp and flattering, perfectly hugging the frame without being too tight — just the right balance of tailored and comfortable. The material feels high-quality and looks even better in person — smooth, sleek, and polished. It held its shape beautifully throughout the night and gave my son a sophisticated, modern look that turned heads and earned him plenty of compliments. You can tell this suit is well-made with great attention to detail, from the stitching to the lining. It easily rivals much more expensive brands. I’m so impressed with the value and style that I’ll definitely be purchasing from this company again. If you're looking for a tuxedo that delivers elegance, confidence, and exceptional quality without breaking the bank — this is the one!
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Reviewed in the United States on May 10, 2025

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