UMI Releases New Product: Rear Frame Notch Kit for the 1978-1988 GM G-Body

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UMI Performance

Master Mechanic
GBodyForum Sponsor
Jul 9, 2011
351
28
Philipsburg, Pa
Rear Frame Notch Kit for the 1978-1988 GM G-Body
P/N 3061
Priced at $109.99/kit

UMI Performance, Inc. is pleased to announce the availability of our 1978-1988 G-body frame notch kit. This kit allows for narrowing the rear upper frame rails on the G-body for installation of a wider tire. Laser cut 1/8” premium steel follows the frame contour (with some intentional slight overhang) and is easily weldable with a standard Mig welder. End enlcosures are included to span from the repair to the original frame. Cutting, welding and fabrication is required. This kit is designed, manufactured and raced out of Philipsburg, PA-USA.

WEBSITE LINK HERE

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JAMCAR223

Royal Smart Person
Jun 6, 2014
1,727
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Houston, TX.
I'll be installing this kit in the near future. Like the $110 price tag also. Thanks UMI !
 
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81Regal

Royal Smart Person
Apr 5, 2009
1,544
83
Terril Iowa
Just ordered this kit hopefully it will go on as easy as the instructions show.
 
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UMI Performance

Master Mechanic
GBodyForum Sponsor
Thread starter
Jul 9, 2011
351
28
Philipsburg, Pa
Just ordered this kit hopefully it will go on as easy as the instructions show.

Thanks for the order! The installation takes some patience and a lot of cutting. I guess easy depends on how much you enjoy fabricating work and metal grinding, but it's not terrible. Let us know how it works out for you. Thanks again.
 
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pontiacgp

blank
Mar 31, 2006
29,389
113
Kitchener, Ontario
I've done my share of fabrication and to do that job would take a sheet of metal worth about $30, you have measure the frame on the car, trace that measurement onto the steel, then lay out the smaller pieces on the metal, and then plasma cut the metal if you don't have a laser machine to cut it. If you plasma cut you grind the edges to smooth them out. No way is it worth it to fabricate these pieces when the price is only $110.00
 
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81Regal

Royal Smart Person
Apr 5, 2009
1,544
83
Terril Iowa
Recieved the kit yesterday very nice thick pieces. Are these cut to order? Three days from order to ship not counting the weekend seems like a fairly long time if they are a stock item.
 

Ace Burt

Greasemonkey
Jul 23, 2017
143
43
Texas
Thanks for the order! The installation takes some patience and a lot of cutting. I guess easy depends on how much you enjoy fabricating work and metal grinding, but it's not terrible. Let us know how it works out for you. Thanks again.
What kind of wheel width, back sets and tire sizes could we use if we did this. I have an 87 El Camino LS powered I am building. Like everyone, I looking for maximum foot print without sacrificing handling.
 

565bbchevy

Geezer
Aug 8, 2011
8,447
113
Michigan
Being I have done this from scratch I think this is a great price for a pre-cut kit plus you can save the cost of shipping by ordering from Summit or Jegs.
 
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