JCR Carbon Rear Wing End Plates for 982 Porsche 718 Cayman GT4 RS

JCR Carbon Rear Wing End Plates for 982 Porsche 718 Cayman GT4 RS

The JCR Carbon Rear Wing End Plates for the 982 Porsche 718 Cayman GT4 RS are precision-engineered from lightweight, high-strength carbon fiber to deliver a functional and aesthetic upgrade over the factory components. Designed as direct replacements, these end plates reduce weight while maintaining exceptional rigidity and durability. Their motorsport-inspired construction enhances the car’s aerodynamic efficiency and seamlessly integrates with the OEM rear wing, providing a refined appearance that complements the GT4 RS’s performance-focused design.

Design & Testing

• There are several small details featured in the JCR Carbon Fiber End Plates which, while minor in isolation, combine to deliver an impressive overall result. From the 100% Prepreg Carbon Fiber construction in matching OEM cloth to the optimized aerodynamic profile and weight savings, JCR carries this level of attention to detail across its entire product range. As with all JCR products, the Carbon Fiber Wing End Plates have been rigorously tested on both road and track under extreme conditions over tens of thousands of miles.

Carbon Fiber Construction

• JCR constructs the Carbon Fiber Wing End Plates from 100% Prepreg Carbon Fiber to achieve a lightweight yet exceptionally strong final product. The selected carbon cloth perfectly matches the factory Porsche Carbon Fiber finish found on all 718 GT4 RS Weissach Package vehicles.

Weight Savings

• A major design focus for the JCR Carbon Fiber End Plates was to ensure that, despite their physically larger dimensions, they remain lighter than the OEM components. The JCR Carbon Fiber End Plates reduce weight by 0.50kg compared to the factory 718 GT4 RS End Plates, representing a 63% reduction, with each JCR plate weighing only 150 grams. This delivers a clear performance advantage without any weight penalty.

Direct Replacement

• The JCR Carbon Fiber Wing End Plates are a 100% direct replacement part, utilizing the OEM mounting points and supplied with OEM Porsche pre-cut fixing tape to ensure a secure, factory-level fit.

Features

• 100% pre-preg carbon fiber construction
• 100% direct replacement
• 0.50kg weight reduction vs OEM end plates
• OEM fixing tape supplied
• Sold as a pair

Applications

• Porsche 718 Cayman GT4 RS: 982 (2021-present)

More JCR Aero Products for 718 Cayman GT4 RS

• Rear Wing Uprights

Notes

• This product is only compatible with the OEM 718 GT4 RS rear wing

About JCR Developments

JCR Developments is an engineering-led performance brand specializing in high-end exhaust and motorsport-derived upgrade solutions for marquee supercars and enthusiast platforms. Known for its expertise in advanced materials such as Inconel and lightweight stainless alloys, JCR focuses on reducing mass, improving thermal efficiency, and unlocking authentic, emotionally engaging sound without compromising drivability or OEM systems integration. Each component is designed through data-driven development, track-informed testing, and precision fabrication, resulting in products that deliver measurable performance gains alongside elevated craftsmanship. Serving discerning drivers, collectors, and professional build shops worldwide, JCR Developments combines technical rigor with boutique-level customer support to enhance the character, capability, and long-term enjoyment of iconic vehicles.