Yamaha Billet Engine Coupler for Yamaha GP1800R, FX (2008+) - WR04003 The Yamaha Billet Engine Coupler is engineered to tackle the challenges of stock couplers failing at high RPMs. Designed for reliability beyond 8500 RPM, it ensures your Yamaha performs optimally under demanding conditions. β Performance Benefits π½ Billet Construction: Durable and far surpasses the longevity of stock cast units. High RPM Compatibility: Maintains alignment over 8500 RPM, ideal for high horsepower applications. Vibration Reduction: Keeps the driveline aligned, minimizing engine vibrations effectively. βοΈ Technical Specifications π½ MPN WR04003 Fitment Yamaha GP1800R, FX, FX-SHO, FZR, FZS, VXR, VXS, 2008+ FX, FZR, FZS, FX SHO Details Billet Aluminum, Approx. 1-2 hours install time β FAQs & Why Choose Us π½ What makes the billet construction superior?The billet construction offers enhanced durability and longevity compared to stock cast units, making it ideal for high-performance applications. Why Buy From Cabrera MotorSports? Fast Shipping: We ship incredibly fast from FL so you can get back on the water. Expert Support: We ride and race these exact parts on our own builds. We race what we sell! Shop all compatible parts in our Cabrera MotorSports Collections β