AE86 CUSCO Type ALC-OS Carbon-Wrapped Front Strut Tower Bar (1983–87 Corolla)
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CUSCO Type ALC-OS Carbon-Wrapped Front Strut Tower Bar
For 1983–1987 Toyota Corolla Levin / Sprinter Trueno AE86 & 1985–1987 Toyota Corolla Sport GT-S & SR5 AE86
Overview
The CUSCO Type ALC-OS front strut tower bar is a chassis reinforcement brace designed to connect the left and right front strut towers of the Toyota AE86. Tying the upper suspension mounting points together helps reduce chassis flex during cornering and suspension loading, improving front-end rigidity.
The Type ALC-OS design uses a lightweight oval aluminum center shaft with a carbon-fiber outer wrap. This provides the appearance and layered construction of carbon fiber while retaining an aluminum structural core. The AE86 application uses a Type B oval cross-section paired with titanium-gray steel mounting plates.
Installation is bolt-on at the front upper strut towers, providing vehicle-specific chassis reinforcement without requiring permanent chassis modification.
Key Features
- Front strut tower chassis reinforcement brace
- CUSCO Type ALC-OS construction
- Lightweight aluminum structural center shaft
- Carbon-fiber outer wrap
- Oval Type B shaft cross-section
- Titanium-gray steel mounting plates
- Vehicle-specific AE86 design
- Bolt-on installation
- Helps reduce flex between the front strut towers
Aluminum & Carbon Fiber Construction
The ALC-OS center bar combines an aluminum structural shaft with a carbon-fiber outer layer. This is not a 100% or solid carbon-fiber strut bar; the aluminum shaft remains the structural core of the brace.
The oval shaft profile is designed to balance rigidity, weight, and clearance while the carbon-fiber exterior and titanium-gray mounting plates provide a distinct appearance compared with CUSCO's standard aluminum strut bars.
Vehicle Fitment
Toyota Corolla Levin
- 1983–1987 Toyota Corolla Levin – AE86
Toyota Sprinter Trueno
- 1983–1987 Toyota Sprinter Trueno – AE86
Toyota Corolla Sport
- 1985–1987 Toyota Corolla Sport SR5 – AE86 – 4A-C
- 1985–1987 Toyota Corolla Sport GT-S – AE86 – 4A-GE
Fitment Notes
- Front application only
- Designed for the Toyota AE86 chassis
- Bolt-on installation at the upper front strut towers
- Carbon-fiber-wrapped aluminum construction; not a full-carbon shaft
Product Specifications
Brand: CUSCO
Series: Type ALC-OS
Product Type: Front Strut Tower Bar / Chassis Brace
Position: Front
Center Bar Material: Aluminum with Carbon-Fiber Outer Wrap
Center Bar Shape: Oval, Type B Cross-Section
Mounting Plate Material: Steel
Mounting Plate Finish: Titanium Gray
Installation: Bolt-On
Fit Type: Vehicle-Specific
What's Included
- (1) CUSCO Type ALC-OS front strut tower bar assembly
- Vehicle-specific front strut tower mounting plates
Which CUSCO Front Strut Bar Is Right for You?
CUSCO Type AS
Choose the Type AS for a simple, lightweight strut tower brace. It uses a round aluminum shaft with CUSCO-blue steel mounting plates and is the most straightforward option of the three.
CUSCO Type OS
Choose the Type OS for a balance of chassis reinforcement, appearance, and price. Its lightweight oval aluminum shaft provides a more substantial cross-section than the round Type AS design while retaining CUSCO's traditional blue mounting plates.
CUSCO Type ALC-OS
Choose the Type ALC-OS for the premium option. It combines an oval aluminum shaft with a carbon-fiber outer layer and titanium-gray steel mounting plates, giving it the most distinctive construction and appearance of the three.
Quick Comparison:
Type AS: Round aluminum — simple and lightweight
Type OS: Oval aluminum — balanced performance and appearance
Type ALC-OS: Carbon-wrapped oval aluminum — premium construction and styling