Wilwood Powerlite Brake Caliper Radial Mount - 0.86'' Rotor Width, 3.00 sq/in

Wilwood's Powerlite four piston radial mount caliper starts at 2.26 pounds in weight with a sleek ...

Best current price£217.21from Demon Tweeks

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Demon TweeksWilwood Powerlite Brake Caliper Radial Mount - 3.00 Sq/in, 0.86 Inch (21.8mm)
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eBayWilwood Powerlite Brake Caliper Radial Mount - 0.86'' Rotor Width, 3.00 sq/in
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Product Information

Full details

The Wilwood Powerlite four-piston radial mount caliper is designed for motorsports enthusiasts seeking superior strength, lightweight performance, and durability in high-temperature conditions. It offers a sleek profile and can be adapted for various sports, rally, and off-road applications. While its stress-flow forged construction and FEA-generated design provide exceptional strength and resistance to deflection, users must note that brake pads are sold separately.

All features

Model Part Number120-8729
BrandWilwood

Extended Product Information

FAQs

Are brake pads included with the caliper?

No, brake pads are not included with the Wilwood Powerlite caliper and must be purchased separately. This caliper uses the 7912 type brake pad.

What rotor sizes can this caliper accommodate?

This caliper is designed to fit rotor diameters between 9.45" and 11" (240-289mm) and rotor widths of 0.50" (12.7mm) or 0.86" (21.84mm).

What wheel sizes are recommended for this caliper?

The Wilwood Powerlite caliper is generally ideal for wheel sizes ranging from 13" to 15" due to its compact design and the clearance provided by the quick-clip pad retainers.

Can this caliper be used for both front and rear applications?

The caliper's non-handed design allows it to be mounted in four positions, making it suitable for various applications. However, its specific suitability for front or rear depends on the overall brake system design and vehicle requirements.

How do I clean the caliper?

Clean the exterior of the caliper with a mild degreaser or soap and water, using a soft cloth or brush. Rinse thoroughly and dry completely. Avoid using harsh chemicals or abrasive materials.

What is the benefit of the SRS Stainless Steel Bridge Plates?

The SRS bridge plates eliminate wear on the caliper bridge caused by pad movement, reduce pad rattle, and help dampen vibration harmonics that contribute to brake squeal.

How do the internal fluid passages improve the system?

Internal fluid passages remove the need for external brake lines running to the caliper, simplifying plumbing, reducing potential leak points, and contributing to a cleaner aesthetic.

Troubleshooting

Brake Squeal

Ensure SRS stainless steel bridge plates are correctly installed. Verify that the correct brake pads are used and properly seated. Consider using anti-squeal shims if compatible with your pad choice. Ensure bleed screws are properly tightened.

Caliper Flex Under Load

Confirm that all mounting bolts are torqued to the manufacturer's specifications. Ensure the caliper is compatible with the rotor diameter and width, and that the overall brake system is appropriately sized for the vehicle's weight and intended use.

Difficulty Bleeding Brakes

Ensure all four bleed screws are accessible and functioning correctly. Follow a systematic bleeding procedure, starting from the caliper furthest from the master cylinder. Check for air leaks in brake lines or fittings.

Pad Binding or Sticking

Inspect the quick-clip pad retainers for damage or debris. Ensure brake pads are clean and slide freely within the caliper mounting. Verify that rotor runout is within acceptable limits.

Pros and Cons

Pros

  • Extremely lightweight at approximately 2.26 pounds.
  • Superior strength and durability due to advanced forging and design.
  • Sleek profile suitable for various performance applications.
  • Enhanced resistance to deflection and caliper separation under heavy braking.
  • Easy pad maintenance and installation with quick-clip retainers.
  • Reduced noise and vibration thanks to stainless steel bridge plates.

Cons

  • Brake pads are not included and must be purchased separately.
  • Requires specific 7912 type brake pads.
  • May require custom brake line configuration depending on application.
  • Sold individually, requiring multiple purchases for a full brake system.

Setup, Compatibility & Care

Setup: The Powerlite caliper features a radial mount design and is non-handed, allowing for four mounting positions. Ensure proper torque specifications are followed when mounting the caliper. Brake lines should be connected to the internal fluid passages. Remember to install appropriate 7912 type brake pads using the quick-clip retainers.

Compatibility: This caliper fits rotor diameters from 9.45" to 11" (240-289mm) and rotor widths of 0.50" (12.7mm) or 0.86" (21.84mm). It is generally recommended for wheel sizes ranging from 13" to 15". Always verify clearance with your specific wheel and rotor combination before installation.

Care: Clean the caliper exterior with a mild cleaner and a soft cloth. Avoid abrasive materials that could damage the finish. Periodically inspect the bridge plates and quick-clip retainers for wear. Bleed the brake system as per standard procedures to ensure optimal performance and to remove any air from the internal passages.

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