Brembo  |  SKU: 220C78310

Brembo GP4-RS Monobloc Front Caliper Set – 108mm Radial Mount (Cast)

$799.00 USD
Shipping calculated at checkout.

📞 Any questions? Talk to a real rider: 951-777-2661

⏰ Support Hours: Mon–Fri 10AM–5PM PST • Sat 10AM–4PM PST

FAST SHIPPING INFO

We ship all in-stock items within 1–2 business days from the time your order is placed.

If your item is on backorder, we’ll place the order with the manufacturer and provide you with an estimated ship date via email within 2 business days.

Need it fast or want to confirm stock before ordering?

Feel free to call us at (951) 777-2688 — we’re happy to help.

RETURN & EXCHANGES

Return & Refund Policy
Last updated: June 9, 2025

MotoFactory accepts returns on eligible items within 14 days of delivery.

To be eligible for a return, items must meet the following conditions:

  • All returned items must be in brand-new, unused condition with all original packaging, tags, and accessories included. Products that have been worn, taken on a test ride, or installed on a motorcycle are not eligible for return unless they are defective and fall under the manufacturer’s warranty. Packaging must also be in like-new condition — the same way you would expect to receive it if you were buying the item yourself.
  • All returns are subject to a 20% restocking fee
  • Return shipping is the customer’s responsibility
  • We are not responsible for lost return shipments, so we recommend using a trackable service and insuring the package if needed

To initiate a return, please contact us at the link below Returns sent without prior approval may be denied.

https://www.motofactoryparts.com/pages/contact

Send Returns to : 

MotoFactory
1651 Market St Suite A
Corona, CA 92878

Once your return is received and inspected, we will notify you of the approval status. If approved, your refund (minus restocking fees) will be processed to your original payment method within 3–5 business days.

Some items, such as race-use parts, electrical components, close-outs, or special orders, may be final sale. Please reach out to confirm eligibility before returning any item.

Description

The Brembo GP4-RS 108mm Monobloc Radial Front Calipers bring race-level technology to performance street and track bikes. Designed as Brembo’s entry point into the GP family, the GP4-RS is constructed using advanced casting technology and styled directly after the billet GP4-RX calipers.

With four 32mm pistons and Brembo’s optimized internal fluid channels, the GP4-RS delivers powerful braking, excellent modulation, and improved heat management compared to OEM and M4 calipers. The calipers are finished with Brembo’s signature anodizing for a factory racing look at a more accessible price point.

Key Highlights:

  • GP4 family styling inspired by Brembo’s GP4-RX billet calipers
  • High-pressure cast aluminum monobloc construction
  • Four 32mm pistons for precise braking control
  • 108mm radial mount spacing
  • Designed for street and track performance applications

Included in the Box:

  • Brembo GP4-RS Monobloc 108mm Radial Front Caliper Set (left & right)
  • High-performance brake pads (pre-installed)
  • Brembo authenticity/warranty documentation

Fitment Notes : 

108mm spacing is standard on most Japanese superbikes.

Recommended Pairing: With 32mm pistons, these calipers are best paired with

  • Street / Performance: Brembo 19RCS or 19RCS Corsa Corta
  • Track: Brembo XR0 19×18 Billet Racing
  • Pro-LevelBrembo EVO 18×18 CNC

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