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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Input shafts and hubs can be replaced as well for an extra charge
On capable engines with supporting mods and fuel
The new intake helped us run a record setting pass of 8
Our port work includes opening the snout inlet to 120mm to accept larger throttle bodies
Kong Performance Lightweight Billet Flywheel (+30HP) for Mercury 300R ls9portUpsell Input shafts and hubs canKong Performance Billet Lightweight Flywheel for Mercury Racing 300R 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 setupjust proven,