Product Summary

Universal Fit, 6.88" Mounting Bolt Center to Center

  • Tubular steel construction with steel cross shaft for durability
  • Bolts to stock 1978-87 Metric (G body) frame mounts which are 6-7/8" center-to-center
  • Use with frame mount 91634312 when relocating stock frame brackets
  • This factory replacement upper ball joint matches OEM geometry and fits a variety of GM cars and trucks
  • Castle nut, cotter pin, grease zerk, and hardware are included to simplify installation

Comes as a Kit

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Key Specs

Control Arm StyleTubular
PositionFront Upper and Lower
Ball Joint TypeBolt-in
Bushing MaterialDelrin
Control Arm MaterialSteel
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Need To Know

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Speedway Motors 9100315 Details

Control Arms

These oval track racing A-arms are 40% stronger than the stock stamped steel arms. The 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
  • Steel cross shaft
  • Bolts to stock 1978-87 Metric mounts (6-7/8" center-to-center)
  • Greaseable steel bushings
  • 2 - Right Hand Arms

Use with mount plate 916-34312.

 

Ball Joints

These are factory replacement upper ball joints with OEM geometry. The upper bolt-in ball joint fits stock upper arms and our Metric tubular arms designed for racing use. For a 1/2" raised pivot point upper, use 106-200322LF.

 

Kit Includes

(2) Speedway Right Hand 8 Inch Upper Control Arm-Steel Cross Shaft

(2) Speedway 1970-02 GM K5208 Style Upper Ball Joint 

Speedway Motors 9100315 Specifications

KEY SPECS
MFG. Part #9100315
BrandSpeedway Motors
Control Arm StyleTubular
PositionFront Upper and Lower
Ball Joint TypeBolt-in
Bushing MaterialDelrin
Control Arm MaterialSteel
Hardware IncludedYes
AdjustableNo
FinishPainted
GENERAL
Mounting Bolt Center to Center6.88"
Material TypeChromoly
Cross Pin MaterialSteel
Ball Joint IncludedYes
ColorBlack
Sold in QuantityKit
Tube O.D.1"
Shaft Diameter1.25"

Ratings & Reviews

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Disappointed

1.0

4 years ago

Josh

Tennessee

I've always had good luck from speedway until this experience I bought these for my street stock dirt car and the first race I ran with the they come apart where they pivot on the mounting surface. The passenger side came off during a race causing the car to hit the wall and flip totaling the car. I had a lot of time and money in that car that's why this is so disappointing

Would Not Recommend

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