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The Porsche 718 Cayman GT4 RS and Spyder RS represent the absolute pinnacle of the 982 chassis. Powered by the spectacular 4.0-litre naturally aspirated MDG.GA flat-six derived from the 911 GT3, these vehicles deliver 493 bhp (500 PS) and scream to a 9,000 rpm redline. Paired exclusively with a close-ratio 7-speed PDK transmission, they offer an uncompromising, highly focused driving experience.

While aftermarket components for these ultra-high-performance vehicles are rare, JXL Performance remains dedicated to sourcing the finest upgrades available. Explore our selection of upgrades by category: To improve engine breathing and exhaust velocity, browse our Intake and Exhaust sections, and manage track temperatures with our Cooling upgrades. Fine-tune your chassis alignment with our Suspension options, optimise fitment using Wheels/Spacers, and maintain consistent deceleration with our Brakes components. For dedicated motorsport builds, explore our Engine Build and Drivetrain hardware, tailor your cabin with Interior seating, and adjust aerodynamic balance via our Exterior range. Keep your 9,000 rpm flat-six operating reliably using genuine-spec Service Parts. You can also browse our complete inventory in the Shop All Parts collection.