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

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#91034394

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

  • Tubular steel construction with steel cross shaft for durability
  • 1" OD .092" wall thickness tubing reduces weight while maintaining durability
  • Bolts to stock 1978-87 Metric (G body) frame mounts which are 6-7/8" center-to-center
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$69.99

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Product Summary

6.88" Mounting Bolt Center to Center, Steel, Painted

  • Tubular steel construction with steel cross shaft for durability
  • 1" OD .092" wall thickness tubing reduces weight while maintaining durability
  • Bolts to stock 1978-87 Metric (G body) frame mounts which are 6-7/8" center-to-center
  • Accepts stock replacement Metric ball joints K5208 or equivalent
  • Use with frame mount 91634312 when relocating stock frame brackets
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Key Specs

Control Arm StyleTubular
PositionSelect Side
Ball Joint TypeBolt-in
Bushing MaterialSteel
Control Arm MaterialSteel
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Details

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 don't 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.

  • 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.

Specifications

KEY SPECS
MFG. Part #Select Side to see
BrandSpeedway Motors
Control Arm StyleTubular
PositionSelect Side to see
Ball Joint TypeBolt-in
Bushing MaterialSteel
Control Arm MaterialSteel
Hardware IncludedNo
AdjustableNo
FinishPainted
GENERAL
Mounting Bolt Center to Center6.88"
Material TypeSteel
Overall Width12.25"
Ball Joint IncludedNo
ColorBlack
Sold in QuantityEach
Shaft Diameter1.25"
Material Thickness.092"
NotesSelect Side to see

Ratings & Reviews

4.6

33 Reviews

Overall Assessment

Customers highly recommend the product, praising its quality, durability, and excellent fit for various vehicles. Users appreciate the heavy-duty construction, which ensures longevity, and its usability in different car models. Its practicality is highlighted by its easy installation and adjustable settings. Further, the product stands out due to its smooth operation and reduced friction. Consumers have repeatedly selected this product over competitors' offerings, valuing its ability to withstand high temperatures, making it perfect for high-performance vehicles. Its versatility even extends to racing, where it is praised for its strength and weight-saving design. Despite isolated issues with loose pivots in few units, the overall customer satisfaction is high.

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4.6

33 reviews

5

24

4

8

3

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2

0

1

1

Most Liked Positive Review

4.0

Great Product for Vehicles with Headers

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!

Most Liked Negative Review

1.0

Poor quality

I have received 2 of these arms so far and they both had loose pivots right out of the box. I'm currently awaiting a 3rd on in the hopes that it is tight enough to use.

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I would buy this again

5.0

8 months ago

Ed

Salina,ks

Verified

For racing

Would Recommend

I would buy this again

5.0

8 months ago

Ed

Salina,ks

Verified

For racing

Would Recommend

It works perfectly

5.0

2 years ago

Hot rod

Tampa

Verified

Fit well

Would Recommend

Poor quality

1.0

4 years ago

5spd SUV

SE Michigan

Verified

I have received 2 of these arms so far and they both had loose pivots right out of the box. I'm currently awaiting a 3rd on in the hopes that it is tight enough to use.

Would Not Recommend

I would buy this again

5.0

4 years ago

Bryan

Texas

Verified

Excellent Fit solid construction

Would Recommend

Great value of a product fit an s10 chassis fine

5.0

6 years ago

Chris

Hartwell ga

Verified

Used two for both sides on a s10 frame swap

Would Recommend

Yes I would buy again

5.0

7 years ago

Joe Vlasity

Glendale Az.

Verified

Great quality part!

Would Recommend

I would buy this again

5.0

8 years ago

Tanner

Natoma ks

Verified

Imca stockcar

Would Recommend

S10 tubular metric a arm

5.0

8 years ago

Hambone

Illinois

Verified

Great looking tubular a arm. heavy-duty cross shaft

Would Recommend

I would buy this again

4.0

8 years ago

Travis

Milford

Verified

Product worked great

Would Recommend

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Showing 10 of 33 reviews

Questions & Answers

9 Questions • 11 Answers

Will this fit a '79 Camaro?

by Burns

• 9 years ago

1 answer

View Answer

I have a 78 El Camino that I drag race occasionally. It is mostly used for street duty, approximately 3 to 4 thousand miles a year. Should I get the 8 inch or the 8.5 inch uppers for my car?

by midoh

• 9 years ago

1 answer

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I have used these on many s10 truck builds. Would these work on a 1993 c1500 Chevy 2wd truck . Thanks.

by Patrick

• 10 years ago

1 answer

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

by Tom44

• 11 years ago

1 answer

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

by Tom44

• 11 years ago

1 answer

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

by imJerry

• 12 years ago

1 answer

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

by AlexG

• 12 years ago

1 answer

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

by Turbopowered68

• 13 years ago

1 answer

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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?

by wibas

• 15 years ago

3 answers

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