Wilwood 120-13297 Forged Radial Mount Brake Caliper - Aero4-ST 4-Piston

The Wilwood Aero4-ST forged four-piston caliper delivers heavy-duty stopping power for street and track applications. Engineered with proven race technology, this caliper offers exceptional versatility through radial mounting, multiple piston volume options, and compatibility with rotor diameters ranging from 12.88" to 15.00".

Key Features:

• Stress-flow forged from premium grade aluminum alloy billet for superior strength
• Four-piston design provides balanced clamping force and consistent pad wear
• Radial mounting configuration for improved caliper stability and positioning
• Compatible with rotor diameters from 12.88" to 15.00"
• Multiple piston volume options to suit various braking requirements
• Advanced forging process eliminates internal stress points and grain structure interruptions

The stress-flow forging process realigns the aluminum's internal grain structure to flow within the contour of the caliper body, rather than machining from a straight block billet. This manufacturing technique results in a caliper with superior clamping efficiency and ultimate resistance to fatigue, stress, and distortion under heavy braking loads. Ideal for high-performance vehicles requiring robust, reliable braking performance in demanding conditions.