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IMCA Spec GM Metric Stock Car Racing Upper Control Arms, Steel Cross

Specs
Material Type:
Steel
Sold in Quantity:
Each
Bushing Material:
Steel
Ball Joint Type:
Bolt-in
Overall Width:
12.25
Shaft Diameter:
1.25
Mounting Bolt Center to Center:
6.875
Control Arm Style:
Tubular
Notes
Fits 1978-87 mid-size GM Metric chassis. Bolts to stock mount and accepts stock ball joints. LH side.
IMCA Spec GM Metric Stock Car Racing Upper Control  Arms, Steel Cross
IMCA Spec GM Metric Stock Car Racing Upper Control  Arms, Steel Cross
IMCA Spec GM Metric Stock Car Racing Upper Control  Arms, Steel Cross
IMCA Spec GM Metric Stock Car Racing Upper Control  Arms, Steel Cross
IMCA Spec GM Metric Stock Car Racing Upper Control  Arms, Steel Cross

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Details

Reviews (12)

Q & A (6)

What's in the Box

Info

IMCA rules allow the Stock Car class to use spec tubular upper control arms. The stock stamped steel arms are getting hard to find and dont have the strength of these tubular arms. These A-arms bolt to your stock mounts and accept stock ball joints. These control arms have a 1/4" thick steel plate where the ball joint bolts in. Fits 1978-87 mid-size GM Metric chassis.

  • Chromoly steel construction
  • 1" tube diameter, 0.092 wall
  • Steel cross shaft
  • Bolts to stock 1978-87 Metric mounts (6-7/8" center-to-center)
  • Greaseable steel bushings
  • Accepts stock K5208 style Metric ball joints
  • IMCA Approved stickers
  • Available for right (passenger side) or left (drivers side)
  • Right arm length is 8"
  • Left arm length is 8.5"

Use with mount plate 916-34312.

Customer Reviews

Rated 4.5 out of 5 by 12 reviewers.
RATING BREAKDOWN
12 reviews
5 Stars
6
4 Stars
6
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

Center Racing
Verified Purchaser
Verified Reviewer
Mesa, AZ

Upper control arm

July 11, 2016
Only thing I would change is give the grease cert as a 90* on one of the ends due to bars being in the way. But easy to change yourself.
Yes, I recommend this product.
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Crazy wolf
Verified Purchaser
Verified Reviewer
Tipton ia

Good

June 01, 2016
Imca legal
Yes, I recommend this product.
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Dennys
Verified Purchaser
Tucson, Az

great product

April 13, 2016
Great product love the great bushing looks great. Works great. Ended up paining them blue to match my truck and make it pop. No complaints. Except paid for express shipping and got it sent regular but I called and gave me the Express shipping money back. But really happy with the product.
Yes, I recommend this product.
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rickhmn
Verified Purchaser
Verified Reviewer
minnesota

For an S10

April 13, 2016
Looks like a well made piece. Can't beat the price.
Yes, I recommend this product.
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Dirt21k
Verified Purchaser
Wisconsin

Great product!

March 30, 2016
Nicely built arm that does what its supposed to. Can take some good beatings off other cars and infield tires.
Yes, I recommend this product.
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Elias g
Verified Purchaser
Verified Reviewer
Wadesboro nc

Great product

January 24, 2016
This product has fit right every time and always makes the car handling better
Yes, I recommend this product.
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77 I-stock
Verified Purchaser
Verified Reviewer
mcalester Oklahoma

Good part

August 10, 2015
Best imca stock car upper
Pros:
  • Good Imca Upper
Cons:
  • C - Clip Comes Off Regularly
Yes, I recommend this product.
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Patty Popp Racing
Verified Purchaser
Verified Reviewer
Orange County, New York

Perfect for the Job

June 15, 2015
These upper control arms are easy to apply and came with grease fittings!
Yes, I recommend this product.
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S10Boost
Verified Purchaser
Arizona

Great Product for Vehicles with Headers

August 13, 2014
I have to use a metal bearing upper control arm because my headers will melt polyurethane. I had ordered a pair of these originally from a guy on ebay for a ridiculous price. What he doesn't tell you is what length he will sell you. (They are the 8.0" version) For a 3" (2" Spindle, 1" spring) lowered street driven 2003 S10 2X4: If you use the 8.5" version (Left upper control arm) for both sides, you will have to use a lot of shims. Took a guy 2.5hrs to shim mine. If you use the 8.0" version (Right upper control arm) for both sides, you will be limited on how well they can put a true alignment on the truck due to the limited space. (No such thing as anti-shims :-) ) Love the fact that these are metal bearing. However, standard road driving will eventually tear these apart. My original set lasted about 2.5yrs (50k miles). Note: Remove the zerk fittings and put on 1/4" 90 degree zerk fittings. This will allow you to grease easily. I do recommend these. Enjoy!
Yes, I recommend this product.
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flemingracing
Lubbock texas

These are the strongest a arms i have fo

December 27, 2013
These a arms are stong and dont bind like the aluminum shaft a arms.. Highly reccomend these
Pros:
  • Great product
Yes, I recommend this product.
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Page 1 of 2

Product Q&A

6 questions : 8 answers

1 answers

Ball joint hole size How big is the hole for the ball joint? My ball joint measures 1.83.

Tom44
February 27, 2015

Ball joint hole size How big is the hole for the ball joint? My ball joint measures 1.83.

Answers

March 02, 2015
EricM
The ball joint hole in this control arm is 1 7/8" ID. Your ball joint with 1.83" diameter will slip right in. This is made for a standard replacement upper ball joint for a G body car which is our part number 91720045.
1 answers

Ball joint size Will these work with 20032-1 ball joints? They require a larger mounting hole.

Tom44
February 15, 2015

Ball joint size Will these work with 20032-1 ball joints? They require a larger mounting hole.

Answers

February 16, 2015
Tech
The part #200321 is not the bolt in balljoint for this arm as the IMCA spec upper Aarm for the metric car #20032. You could make the 200321 work but you would need to weld it in. Doing this would not be IMCA legal.
1 answers

will this fit a 64 chevelle im putting together a street stock for asphalt oval track racing

imJerry
Lancaster, CA, USA
September 02, 2014

will this fit a 64 chevelle im putting together a street stock for asphalt oval track racing

Answers

September 02, 2014
EricM
No these will not fit a 64 Chevelle. We offer tubular control arms 91036472 for your 64 Chevelle. If you only need the uppers we can sell the uppers only as 91036472.1
1 answers

Will these fit a 1964 Chevy Impala Non SS Will these fit a 1964 Chevy Impala Non SS

AlexG
August 21, 2014

Will these fit a 1964 Chevy Impala Non SS Will these fit a 1964 Chevy Impala Non SS

Answers

August 21, 2014
EricM
No this control arm will not fit your 1964 Impala. Sorry I do not offer the correct control arm for your application.
1 answers

Would these work on an 1986 GN as bolt-ons? For drag racing and road racing?

Turbopowered68
Long Island, New York, USA
July 05, 2013

Would these work on an 1986 GN as bolt-ons? For drag racing and road racing?

Answers

July 05, 2013
Jason
Yes these could be bolted on to your 86 Grand National. We do not recommend them for street use however. They have no bushings and will wear out fairly quickly at the pivot point. Once they wear out the control arm will need to be replaced. I would recommend two left sides (8.5” length) which are the stock length if you plan to use these.
3 answers

Can these be used on a stock S10 chassis with a sbc on the street? If so would you need both the same lenghth? If so which length?

wibas
Eau Claire, Wi
September 01, 2011

Can these be used on a stock S10 chassis with a sbc on the street? If so would you need both the same lenghth? If so which length?

Answers

January 18, 2013
LimitedModDriver88
The cross shaft mounting holes are spaced at 6-7/8" and so does the S10 chassis so they will fit. Left side has 8.5" ball joint to cross shaft spacing and right side has 8" ball joint to cross shaft spacing.
January 18, 2012
Charlie
These will fit any of the GM "metric" chasis vehicles, which includes the S-10 chasis. You need 2 that are 8.5" long. Don't forget to use the tall ball joints at the same time to correct the camber curve issues.
September 07, 2011
John
These control arms are designed for circle track racing and are not DOT approved for street use. If application is street use then you will need to verify length of your OEM control arms and order two of the same length. Dimension is from center of cross shaft to center of ball joint. Another option that is available in more length options is part number 91034395 which utilize a screw in ball joint. Center to center of mount bolts is 6 7/8” on either arm mentioned.
Page 1 of 1

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