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SHW Rear Drilled Brake Rotor Porsche 981 / 718 Boxster / Cayman

SKU: SHWPRX39873
Price
$183.19
Currently Backordered - You can still place your order and we'll ship your order as soon as the product is back in stock!

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Installation Services

Don’t worry about the hassle — let our expert team at Forza Motorworks handle the installation for you. Our professional installation ensures everything fits and operates exactly as intended, giving you clean, factory-quality results, proper wiring or mounting, and avoiding the risks of DIY mistakes. You’ll save time, avoid frustration, and get peace of mind knowing the job is done right the first time. Contact us to learn about our installation services and enjoy a seamless upgrade from day one.

FAQ

Shipping Information
For items that are in stock, purchases made after 9am EST will be usually be shipped out in the next 1-2 business days. Please inquire to confirm lead times if you have specific time constraints. Orders will be sent via signature required at our discretion unless otherwise requested.

International Shipping
Any and all customs duties, taxes, import fees, and/or tariffs assessed in connection with the purchase shall be the sole responsibility of the customer/end user.

Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unused and in its original packaging. All returns are subject to a restocking fee based on item and package condition. Buyer is responsible for paying for return shipping costs. If you need a return label, we will email you a return label and deduct cost from refund. Original shipping costs are not refundable. Special order items are not eligible for return.

Cancellation Policy
In order to cancel your order you must email within 24 hours of placing your order or before your order has shipped, whichever occurs first. Special order items are not eligible for cancelation.

Exchange Policy
We have a 30-day exchange policy, which means you have 30 days after receiving your item to request an exchange. To be eligible for an exchange, your item must be brand new in box. Buyer is responsible for paying all shipping costs to exchange product.

Product Description

Upgrade the rear braking performance of your Porsche with this SHW Performance PRX39873 Disc Brake Rotor — a precision-engineered, cross-drilled rotor designed to replace the factory rear rotors on applicable Porsche models. Its cross-drilled surface improves heat dissipation and helps reduce brake fade under heavy use, while cast-iron construction provides long-lasting durability and consistent stopping power. Whether you’re refreshing tired rotors or enhancing brake performance for spirited driving, this rotor delivers OEM-quality fit and reliable performance.

Fitment Notes

  • Designed for Porsche rear brake applications including :

  • Porsche Boxster: 

    • 2005–2006 Boxster (2.7L H6)

    • 2007–2008 Boxster (2.7L H6)

    • 2009–2012 Boxster (2.9L H6)

    • 2013–2016 Boxster (3.4L H6)

    Porsche Cayman: 

    • 2007–2008 Cayman (2.7L H6)

    • 2009–2012 Cayman (2.9L H6)

    • 2014–2016 Cayman (2.7L/3.4L H6)

    Porsche 718 Boxster & Cayman:

    • 2017–2018 718 Boxster (2.0L & 2.5L)

    • 2017–2018 718 Cayman (2.0L & 2.5L)

  • Fits vehicles without ceramic brake options; not compatible with PCCB/ceramic systems. 

  • Check vehicle year, model, and rear rotor size before ordering — select using vehicle fitment tool on the product page.

Included

  • One (1) rear brake rotor (cross-drilled) — SHW PRX39873

  • Mounting surface finished to OEM tolerances for direct fitment

  • Note: pads, wear sensors, and hardware not included (sold separately)

Product Specs

  • Rotor Diameter: ~299 mm (approx. 11.77″) — typical rear rotor size for select Porsche models.

  • Material: High-grade cast iron for strength and wear resistance.

  • Design: Cross-drilled surface for enhanced cooling and gas/heat escape. 

  • Type: Monobloc, vented rotor construction. 

  • Position: Rear axle (single rotor per order).

Product Features

  • Cross-drilled surface improves heat dissipation and helps maintain braking performance during aggressive use.

  • Cast-iron construction offers durable, long-lasting performance and consistent stopping power. 

  • Precision-machined fitment meets or exceeds OEM tolerances for a straightforward replacement. 

  • Vented rotor design helps reduce brake fade by increasing airflow and cooling efficiency. 

  • Direct compatibility with OEM mounting surfaces and brake systems (non-ceramic).

  • OE-quality performance at a value price for maintenance or mild performance upgrades.