Wilwood 120-13298 Aero4 Radial Mount Caliper Left 4 Pistons

Manufacturer WilwoodWilwood
SKU WIL-120-13298

  On demand

 

Wilwood 120-13298 Aero4 Radial Mount Caliper Left 4 Pistons

Aero4 Radial Mount

The new Aero4-ST forged four piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s type III hard anodized finish. Aeo4-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing

The body of Aero series is stress-flow forged from a premium grade aluminum alloy billet. Stress-flow forging realigns the metal's internal grain structure to flow within the contour of the caliper body. This process eliminates the stresses and interruptions to the internal grain structure that occur when machining a straight block billet. The results are a caliper with superior clamping efficiency and ultimate strength against fatigue, stresses, and distortion under load.

Pistons
Piston Count 4
Piston Area (in²) 4.84
Piston Type Thermlock
Dust Boot No
Rotor Dimensions
Rotor Width (in) 1.25
Rotor Diameter(in) 15.00
Pad Dimensions
Pad Area (in²) 11.1
Pad Volume (in³) 6.6
Duty Rating & Material
Material Forged Aluminium
Weight(Lbs) 7.1
Colors & Finish
Color Anodize
Finish Type III Anodize

Mounting
Mount Center(in) 7.09
Mount Position  
Mount Side Left Hand
Mount Type Radial

 

Rotor Compatibility
Rotor Width (in) 1.25
Maximum Rotor Width (in) 1.28
Minimum Rotor Width (in) 1.10
Maximum Rotor Diameter(in) 15.00
Minimum Rotor Diameter(in) 12.19


Piston Specifications
Piston 1 Bore (in) 1.88
Piston 2 Bore (in) 1.62
Piston 3 Bore (in)  
Total Piston Area (in²) 4.84

More Information

Manufacturer WilwoodWilwood
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