ATI Performance Super Damper - Subaru WRX/STI/Forester/Liberty (EJ20/EJ25)-1
    ATI Performance Super Damper - Subaru WRX/STI/Forester/Liberty (EJ20/EJ25)-1
ATI Performance Super Damper - Subaru WRX/STI/Forester/Liberty (EJ20/EJ25)-1
ATI Performance

ATI Performance Super Damper - Subaru WRX/STI/Forester/Liberty (EJ20/EJ25)

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$879.95
$879.95
$879.95

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Engineered Power That Goes Further. Power Glide 8 GLV‑1 0W‑8 Performance Motor Oil

  • ATI's Super Damper for Subaru WRX EJ20, EJ22 and EJ25 engines
  • Dampens torsional crankshaft vibrations at all RPM levels
  • Protects against engine harmonics
  • Direct replacement for the OEM unit
  • Four-rib and five-rib serpentine belt drives
  • 5% Overdriven
  • Utilizes factory serpentine belt set-up
  • Laser-etched timing marks
  • SFI 18.1 Safety Certification and are approved for competition use

 

Specs:

  • Shell Material: Aluminum, Part #916883 5% Overdriven
  • Hub Material: Steel, Part #916884
  • Inertia Weight: 2.2 LBS, 3-Ring

 

Vehicle Fitment:

  • Subaru WRX 94-14 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
  • Subaru STI 94-20 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
  • Subaru Forester GT/XT 98-13 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
  • Subaru Liberty 89-09 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
Specs

Main Characteristics

No specifications added yet.
Technology

Advanced Engine Technology

Engineered for Extreme Protection

Delivers rapid oil circulation and reliable protection—even in extreme temperatures.

Friction Shield Tech

Forms a strong barrier that reduces heat, friction, and wear on critical engine parts.
Performance

Advanced Protection

5

L

Extended Volume
Enough for full oil changes with lasting performance between intervals.
0W

8

Ultra-Low Viscosity
Faster flow, better cold-start protection, and improved fuel economy.
GLV

1

Modern Engine Ready
Formulated to match the demands of advanced engine designs.
80

%

Friction Reduction
Engineered to lower internal friction and reduce overall engine wear.
-30°

C

Cold Start Ready
Flows instantly in subzero conditions to protect from the first turn.
+15

%

Fuel Efficiency Boost
Optimized formulation that helps engines run cleaner, more efficiently.
Features

Designed to Flow Clean, Protect Deep, and Power Your Engine at Every Turn

Delivers smooth flow, reduces wear, and keeps your engine running at peak performance.

Testimonials

Feedback from Our Customers

Reliable Even Under Pressure

I do a lot of highway driving and my engine runs cooler and quieter with this oil. No complaints, just great results.

Mike Johnson,

Long-Haul Driver

My Engine Feels Brand New

I switched to Power Glide 8 after reading about low-viscosity oils. It made a big difference—runs quieter, smoother, and cooler.

Kevin Howard,

Mechanic

Perfect for City Driving

Stop-and-go traffic used to make my engine heat up fast. Since switching to this oil, it stays stable and efficient. Big win.

James Craig,

Urban Driver

Additional Services

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Shipping Details

30 Days Free Returns

Easy returns within 30 days
Return Policy

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