SKU: 92013445384

UMI Performance 78-88 GM G-Body Engine Side Solid Engine Mounts

Sale price$44.99 Regular price$49.99
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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28

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Description

UMI Performance 78-88 GM G-Body Engine Side Solid Engine MountsThe P N 0058 heavy duty engine mounts for GM G Body cars takes the place of the heavy factory clamshell mount. It places the Small Block Chevy in exact factory location and uses our popular P N 90051 solid motor mounts or can be used with the factory rubber mounts. Tough 3 16 laser cut brackets and Grade 8 hardware can handle as much horsepower as you can throw at them. When used with P N 90051, solid engine mounts improve responsiveness and help

The P/N 0058 heavy duty engine mounts for GM G-Body cars takes the place of the heavy factory clamshell mount. It places the Small Block Chevy in exact factory location and uses our popular P/N 90051 solid motor mounts or can be used with the factory rubber mounts. Tough 3/16” laser cut brackets and Grade 8 hardware can handle as much horsepower as you can throw at them. When used with P/N 90051, solid engine mounts improve responsiveness and help prevent engine movement, which can help in tight packaging situations (large header primaries, turbos, etc). Solid engine mounts work best in racing applications and may contribute to increased Noise, Vibration and Harshness. Available in gloss black powder coat. These engine mounts are proudly used on UMI’s G-Body test car, 1979 Monte Carlo “Green Machine”. 100% manufactured, tested and raced out of Philipsburg, PA – USA. Note: Heavy duty engine mounts may not work with Oldsmobile or Pontiac engines.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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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: 92013445384

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4.8 ★★★★★
Based on 28 reviews
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Verified Purchase
Bill
Phoenix, US
★★★★★ 5
very nice tool
likes, all aluminum construction, seems very accurate and uses more sturdy 1/4 inch shelf pins instead of the 5mm ones comes with 2 bits which is a huge plus the competition makes you buy the 1/4 drill and only is set up for 5mm to start. this jig will work along side, for now, my other jig dislike is the fact it only has 1/4 pin capability not a deal killer in any way, and it has "pins" to support the jig on the edge again this is both an advantage and disadvantage as you can change the depth of where the pins are located BUT if you are making something smaller the jig may not calibrate consistently. on another positive you can replace the bits easily and commonly as they are not proprietary and simply standard 1/4 inch bits this will be a fine addition to my other goingmake tools and future ones
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Reviewed in the United States on January 3, 2025
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Verified Purchase
Mike Shipman
Lexington, US
★★★★★ 4
Sturdy and well made
I have yet to use this jig, but on initial inspection it is well made and no doubt will withstand a lot of use. The machining of the threads was rough on the one I received, but after screwing in the guides a couple times the operation became smoother. Probably lack of cleanup after anodizing left in the threads. Other than that it looks like it will be useful and longer lasting than many of the plastic jigs out there.
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Reviewed in the United States on July 26, 2023
D
Verified Purchase
Don
Dallas, US
★★★★★ 5
Easy to use
I built a bookshelf for my grandson and wanted adjustable shelves. This jig did the trick. Very easy to use, and a lot of adjustability. I have other tools by goingmake and they all are well made and affordable.
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Reviewed in the United States on August 30, 2025
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Verified Purchase
Riley
Belleville, US
★★★★★ 5
Works very well and holds up over time!
This works really well for drilling out shelf pins! The drill bit that comes with it is a good quality bit, and the holes in the metal block are very strong, The drill bit doesn't even come close to cutting into them. I have drilled about 1000 holes with it so far, and it still works as good as it did when it was brand new! I would definitely recommend this over the plastic ones. It's very easy to use, as well.
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Reviewed in the United States on June 27, 2025
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Verified Purchase
Steven K
Alexandria, US
★★★★★ 5
Great item
Size: 9 Holes
Works great Would be nice to have another peg to make sure it stays in line. Just used a drill bit of the same size. Worth the investment
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Reviewed in the United States on March 4, 2026

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