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Replacement Adjustable Ball Joint for SPC Upper Arms
This SPC Performance replacement ball joint assembly services the 72130 front upper control arms. The joint is part of the arm's patented sliding and rotating adjustment design, helping set front camber and caster after installation. It is a service part for the aftermarket SPC arm, not a factory ball joint replacement for a stock control arm.
Key Features
- Direct replacement adjustable ball joint assembly for the matching SPC front upper control arm.
- Sliding and rotating design used to set camber and caster on the arm.
- Supports up to plus or minus 2.5 degrees of camber adjustment and plus or minus 1.0 degree of caster adjustment when used with the correct arm.
- Includes the lock plate used with the engagement hex for caster positioning.
- Useful service replacement for worn or damaged joints in an existing SPC arm setup.
Fitment
| Application | Fitment note |
|---|---|
| SPC 72130 front upper control arm | Direct replacement ball joint assembly. |
| Nissan 370Z, 2009-2020 | Fits only when SPC 72130 front upper control arms are installed. |
| Infiniti G35 Sedan, 2007-2008 | Fits only when SPC 72130 front upper control arms are installed. |
| Infiniti G37, 2008-2013 | Fits only when SPC 72130 front upper control arms are installed. |
| Other supported vehicles using the same SPC arms | Verify the arm part number before ordering. |
Specifications
| Detail | Value |
|---|---|
| Brand | SPC Performance |
| Manufacturer part number | 72130.25 |
| Part role | Replacement adjustable ball joint assembly |
| Adjustment design | Sliding and rotating ball joint with caster lock plate |
| Camber range with matching arms | Plus or minus 2.5 degrees |
| Caster range with matching arms | Plus or minus 1.0 degree |
| Camber adjusting nut torque | 120 lb-ft (162 Nm) |
| Ball joint to spindle fastener torque | Use the vehicle manufacturer's specification |
| Related clearance spacer | SPC 67300 jounce spacer, where needed |
What's Included
- One replacement adjustable ball joint assembly with lock plate
Important Notes
- This part services SPC 72130 front upper control arms only.
- It is not a replacement for the original factory ball joint on an OE control arm.
- After installation, the vehicle should be aligned and road tested.
- On lowered vehicles, check upper arm to inner fender clearance through full suspension travel.
About SPC Performance
SPC Performance builds alignment correction components for street and performance vehicles. Its front upper control arm design for Nissan 370Z and Infiniti platform applications uses an adjustable ball joint and caster plate to correct front camber and caster. This assembly is the service replacement for that adjustable joint.
Related Parts
- SPC Performance front adjustable control arms for Nissan 370Z and Infiniti G35/G37
- SPC Performance ball joint assembly for SPC 72125 arms
FAQ
Which control arm does this ball joint fit?
It fits SPC Performance 72130 adjustable front upper control arms.
Will this replace my factory ball joint?
No. This is a service replacement for the aftermarket SPC arm. It is not intended for a stock/OE upper control arm.
Does it fit my Nissan 370Z or Infiniti G35/G37?
It fits those vehicles only when the correct SPC front upper control arms are already installed.
How much adjustment does the arm provide with this joint?
The matching SPC arm provides up to plus or minus 2.5 degrees of camber and plus or minus 1.0 degree of caster adjustment.
Does the car need an alignment after installation?
Yes. Recheck alignment, adjust toe as needed, and road test the vehicle after installation.
Installation Notes
- Confirm the vehicle has the correct SPC front upper control arms installed before ordering.
- Raise and support the vehicle safely, remove the wheel, and support the lower control arm.
- Disconnect the existing ball joint from the spindle following the vehicle service procedure.
- Remove the ball joint nut and washer from the control arm slot and remove the old joint.
- Position the replacement joint and lock plate for the caster setting required.
- Slide the joint in the arm slot for the desired camber setting and torque the camber adjusting nut to 120 lb-ft (162 Nm).
- Reconnect the ball joint to the spindle and torque the vehicle fastener to the manufacturer's specification.
- Load the suspension to ride height, check clearance through suspension travel, align the vehicle, and road test.
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