Product Summary

Universal Fit, 6.88" Mounting Bolt Center to Center

  • Tubular steel construction with aluminum cross shaft for the ultimate in weight savings
  • 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
Ball Joint TypeBolt-in
Bushing MaterialSteel
Control Arm MaterialSteel
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Speedway Motors 9100318 Details

Control Arm

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
  • Aluminum cross shaft
  • Bolts to stock 1978-87 Metric mounts (6-7/8" center-to-center)
  • Greaseable steel bushings
  • 2 - Left 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 Left Side Chrome Moly Metric Upper Control Arm-Oval Track

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

Speedway Motors 9100318 Specifications

KEY SPECS
MFG. Part #9100318
BrandSpeedway Motors
Control Arm StyleTubular
PositionFront Upper
Ball Joint TypeBolt-in
Bushing MaterialSteel
Control Arm MaterialSteel
Hardware IncludedYes
AdjustableNo
FinishPainted
GENERAL
Mounting Bolt Center to Center6.88"
Material TypeChromoly
Cross Pin MaterialAluminum
Ball Joint IncludedYes
ColorBlack
Sold in QuantityKit
Tube O.D.1"
Shaft Diameter0.725"

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