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IMCA Hobby Stock Complete Upper & Lower A-Arm Kit
IMCA Hobby Stock Complete Upper & Lower A-Arm Kit

IMCA Hobby Stock Complete Upper & Lower A-Arm Kit

Front Upper and Lower Position, Tubular and Stamped Control Arm Style, Steel

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IMCA Hobby Stock Complete Upper & Lower A-Arm Kit
IMCA Hobby Stock Complete Upper & Lower A-Arm Kit
IMCA Hobby Stock Complete Upper & Lower A-Arm Kit
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IMCA Hobby Stock Complete Upper & Lower A-Arm Kit
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Part # 9108603
$509.99
$519.99
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Details

Position:
Front Upper and Lower
Control Arm Style:
Tubular and Stamped
Material Type:
Steel
Bushing Material:
Steel
Ball Joint Included:
Yes
Tube O.D.:
1.00"
Bushing Included:
Yes
MFG. Part #:
9108603
Sold in Quantity:
Kit

Info

Kit Includes:

(1) Left Side IMCA Spec GM Metric Stock Car Racing Upper Control Arm

(1) Right Side IMCA Spec GM Metric Stock Car Racing Upper Control Arm

(1) Left Side 1978-Up GM Racing Stock Metric Midsize Lower Control Arm

(1) Right Side 1978-Up GM Racing Stock Metric Midsize Lower Control Arm

(2) Speedway Steel Lower A-Arm Bushings, 1.450 O.D. x .500 I.D.

(2) Speedway Steel Lower A-Arm Bushings, 1.650 O.D. x .500 I.D.

(2) Speedway Low Friction K5208 Style Extended Stud Ball Joints

(2) Ultra-Low Friction Press In Lower Ball Joints K6145 Style

Features

IMCA Spec GM Metric Stock Car Racing Upper Control Arms, Aluminum Crossmember

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
  • Aluminum 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
  • Right arm length is 8"
  • Left arm length is 8.5"
  • Use with mount plate 916-34312

1978-Up GM Racing Stock Metric Midsize Lower Control Arm

  • These are stock 1978-up GM Metric control arms that have been cleaned and the ball joints removed. Includes original bushings.
  • Center of ball joint to the center of the bushings is 14-1/4". Inside to inside of bushings is 9-1/8".

Speedway Steel Lower A-Arm Bushings, 1.450 O.D. x .500 I.D.

Speedway Steel Lower A-Arm Bushing, 1.650 O.D. x .500 I.D.

These steel lower control arm bushings are virtually "bulletproof". They will minimize alignment change during cornering since they do not deflect. Bushings are sold each and include a grease zerk fitting for lubrication.

Speedway Low Friction K5208 Style Extended Stud Ball Joints

  • 32° swing angle to allow maximum suspension travel
  • Small or big tires, car raised or lowered - these ball joints will get the desired angles back where they need to be
  • Not for street use - offroad use only
  • Low friction design (polished ball and housing)
  • Stud is designed to bend before it breaks
  • Bolt-In
  • Small bolt circle
  • Same 10° stud taper as Moog K-5208
  • 1.0" extended length stud
  • Ball joint boot not included - can utilize # 917-22399 when required

Ultra-Low Friction Press In Lower Ball Joints K6145 Style

Ultra Low Friction press in lower ball joint 1277 style. Not for street use. Off-road use only. Small or big tires- car raised or lowered, these ball joints will get the desired angles back where they need to be. 32 deg swing angle to allow for maximum suspension travel.

  • Press-In
  • 1.0" extended length stud

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • IMCA Approved Spec Stock Car Left Side Control Arm, Alum Cross Shaft
    Qty x 1
  • IMCA Approved Spec Stock Car Right Side Control Arm, Alum Cross Shaft
    Qty x 1
  • 1978-Up GM Racing Stock Metric Midsize Lower Control Arm, Left-Side LH
    Qty x 1
  • 1978-Up GM Racing Stock Metric Midsize Lower Control Arm-Right-Side RH
    Qty x 1
  • Speedway Steel Lower A-Arm Bushing, 1.450 O.D. x .500 I.D.
    Qty x 2
  • Speedway Steel Lower A-Arm Bushing, 1.650 O.D. x .500 I.D.
    Qty x 2
  • Speedway Low Friction K5208 Style Extended Stud Ball Joint, 1.0 Longer
    Qty x 2
  • Ultra Low Friction Press In Lower Ball Joint K6145 Style, 1 Inch
    Qty x 2

More Like This

Reviews

Q & A

Videos & Articles
  • Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.
  • Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!
  • Whether you are looking to change the look of your truck, get rid of your tired rusty springs, or upgrade the ride quality of your truck, Speedway Motors has you covered with stock height and lowered spring options.

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