The product is a set of upgraded rocker arms designed specifically for the McLaren 3.8T engine, with improved valve rockers for enhanced performance. These rocker arms are manufactured in China and carry the OE/OEM part number 11F2684CP. The upgraded design ensures a more reliable and efficient operation of the engine's valvetrain system, ultimately improving the overall performance of the vehicle.

  • Since 2018, XH Auto Parts has been a trusted foreign trade supplier specializing in auto parts for luxury and supercar brands, including Ferrari, Lamborghini, McLaren, Aston Martin, Rolls-Royce, Bentley and Porsche.

  •  Diverse Product Range

  • We supply original used parts, aftermarket parts, OEM genuine components, used spare parts and custom car body kits.

  • Efficient Logistics

  • We operate a 1,500-square-meter warehouse in China, plus an established warehouse in Kentucky, USA. Sufficient stock supports fast order fulfillment and timely local delivery.

  • Quality-First Principle

  • Every part goes through rigorous inspection procedures to comply with stringent quality standards.

  •  Customer-Centric Service

  • Our professional sales team delivers customized solutions, competitive pricing and complete after-sales support.

  • Partner with XH Auto Parts for dependable quality and efficient service.


    • Warranty & Policy

    Please confirm compatibility with your VIN before purchase.
    All parts are fully inspected before shipment.


    • Shipping & Return

    We ship worldwide via DHL / Fedex / UPS.

    Return accepted within 30 days if item does not fit.