Why Upgrade These Control Arms?
Because “it’s just a little noise” always turns into “why is my tire wearing like that?”
This kit replaces:
- Driver + passenger lower control arms
- Pre-installed ball joints
- Worn bushings that make your ride feel… questionable
What you get:
- Tighter steering response
- Reduced clunking
- Restored alignment geometry
Basically, your Subaru starts acting like a Subaru again.
Application: Front Regulate arm kit fit for Subaru Forester 2009-2013, for Subaru Impreza WRX 2011-2014 (aside from Impreza WRX STi Models)
Top Features (What Actually Matters)
- Complete Left + Right Kit
No hunting for matching parts. Both sides handled. - Pre-Assembled Ball Joints
Skip the press tools and the frustration. - Direct OEM Fitment
Designed for easy replacement on Forester and WRX models listed below. - Durable Steel Construction
Built to survive potholes, rough roads, and your occasional “spirited driving.”
Vehicle Fitment
Fits:
- Subaru Forester (2009–2013)
- Subaru Impreza WRX (2011–2014)
Replaces part numbers:
- MS801051 (Left)
- MS801052 (Right)
(Quick reality check: always verify your exact trim—Subaru loves subtle differences.)
Package Contents: 1x Front Lower Regulate Arm with Ball Joint – Driver Side – MS801051, 1x Front Lower Regulate Arm with Ball Joint – Passenger Side – MS801052
Interchange Number: CMS801051, CMS801052, 512-50399R, 512-50400L, 20202SC000, 20202SC002, 20202SC010, 20202SC011, 20202SC012, 20202SC013
Signs Your Control Arms Are Done
If your car is doing any of this, it’s not personality—it’s failure:
- Clunking or knocking over bumps
- Steering feels loose or inconsistent
- Uneven tire wear
- Vehicle pulling left or right
Ignore it and you’ll upgrade from “annoying” to “expensive” real quick.
Durable Subject matter: Regulate arms are created from high-strength steel with superb strength, hardness, and durability; Pre-installed rubber bushings effectively lend a hand scale back road noise and vibration for a smoother and more comfortable driving experience
Installation Overview
DIY-friendly if you’ve got:
- Jack + stands
- Basic tools
- Patience (non-optional)
Steps:
- Lift vehicle and remove wheels
- Disconnect ball joint and mounting bolts
- Swap control arms
- Torque everything properly
- Get an alignment (seriously—don’t skip this unless you enjoy buying tires)
24/7 Customer Fortify: maXpeedingrods offers lifetime technical Fortify and 1-year limited warranty for quality-related issues because the date of purchase. Feel free to contact us if in case you have any questions
maXpeedingrods vs Premium Brands
Let’s not pretend this is a race-spec upgrade.
Pros:
- Affordable
- Full kit (both sides)
- Easy install
Cons:
- Not as durable as premium options like MOOG
- Best suited for daily drivers, not track abuse
If you want:
- Budget daily fix → Perfect
- Long-term heavy-duty setup → Spend more
Final Verdict
The maXpeedingrods MS801051 / MS801052 control arm kit is a no-nonsense solution for restoring your Subaru’s front suspension.
It won’t transform your WRX into a track monster—but it will:
- Eliminate clunks
- Tighten up handling
- Keep your tires from self-destructing
And honestly, that’s what most people actually need.






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