Kong Performance Lightweight Billet Flywheel (+30HP) for Mercury 300R

Kong Performance Billet Lightweight Flywheel for Mercury Racing 450R / 500R Tap into the simplest proven gain in performance for your Mercury Racing 300R with the Kong Performance Billet Lightweight Flywheel – engineered for maximum performance, reliability, and simplicity. Key Features & Benefits Built-In Ignition Timing AdvanceIncrease +30 horsepower per engine with our integrated timing advance design. No external modules, no complicated setup—just proven, bolt on performance. Significant Weight SavingsDesigned from premium billet material, our flywheel is precision-balanced and significantly lighter than stock: 30% lighter than the OEM 300R Flywheel Easy InstallationA true bolt-on upgrade—no tuning required. Installation takes just 30–40 minutes per engine, using standard tools. Zero Tuning RequiredEnjoy instant gains with this simple bolt on modification. Bolt it on and immediately hit the water with added horsepower. DurabilityA solid design that is built to last