• A black technical chart titled 'FRICTION VS. TEMPERATURE RSL 1' showing two line graphs: a yellow line labeled RSL 1 and a purple line labeled RSL 1E, plotting the coefficient of friction against temperatures from 100°C to 700°C.
  • A black graphic with white labels reading FRICTION LEVEL, BITE, FADE RESISTANCE, DISC LIFE, PAD LIFE, and MODULATION, each paired with a row of yellow rectangular pads and one gray pad to the right, resembling a control or adjustment interface.
  • A black promotional graphic for Pagid RSL RSL 1 pads, featuring white text listing benefits such as high friction coefficient, long pad and disc life, good friction stability vs. temperature, and RSL 1E with up to 20% longer pad life for endurance racing.

PAGID RSL1 PFC KIT FRONT CALIPER 4920

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Used in GT cars, touring cars and prototype endurance racing. Due to the high friction and good modulation, often used in sprint races as well.

RSL 1E and RSL 1 are low metallic resin bonded materials containing steel and aramid fibers with very high heat resistance. They maintain a constant friction level over a wide range of temperatures. Their reduced wear rate and disc friendliness make these materials appropriate for endurance races. RSL 1E is further improved in terms of pad life and modulation as well as friction stability at high temperatures and pad life. As a benefit, RSL 1E provides the lowest pad wear rate in the PAGID Racing portfolio for highly thermally loaded applications.

Friendly with our CARBONCORE carbon ceramic rotors

*TRACK USE*

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  • ACHIEVING

    4.9

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THERMACORE

Highlight key qualities of the product, such as the materials, ingredients, or components used. Emphasize durability, reliability, or performance in everyday use.

Draw attention to the care and craftsmanship that went into its design and development, setting it apart in terms of quality and attention to detail.

Track-tested. Street-refined. Built to survive the hardest stops.

Formulated, tested, and refined by our engineering team, THERMACORE™ isn't a rebranded generic casting. It's a purpose-built alloy designed to do one thing better than anything else on the market — manage extreme braking heat without compromise.

Every SPECWORKS rotor is cast from THERMACORE™ — because when you're going hard into a corner, the material under your pads matters.

FROM TRACK TO STREET

  • RACE-BREED

  • PRECISION ENGINEERING

  • STREET-READY

  • TRACK PROVEN

What is your return policy?

We do not accept returns on any products because every item is custom-specified to your vehicle. Each brake component is engineered and manufactured to your exact make, model, and generation specifications, ensuring optimal fit and performance for your setup.

Can I change or cancel my order?

Can we accept changes or cancellations to an order within 12 hours of placement. After that window closes, the order moves into fulfillment and cannot be modified.

How do I know if a SPECWORKS kit fits my car?

We list the application for each kit in the product description. However, we recommend emailing us after placing your order to confirm fitment for your specific vehicle. This ensures you receive the correct components for your setup.

Do you ship internationally?

We ship worldwide using FedEx. Orders are processed and dispatched quickly, with tracking information provided so you can monitor your shipment every step of the way. Delivery times vary by location, but FedEx ensures reliable service to most destinations globally.

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