Pay in 4 interest-free payments of $222.37 Learn more
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Our port work includes opening the snout inlet to 120mm to accept larger throttle bodies
Input shafts and hubs can be replaced as well for an extra charge
We will reach out prior to work being completed if additional services are required
print out your emailed receipt and put that in a box with your supercharger(s)
and continuous high-RPM operation without breaking down
Kong Performance Lightweight Billet Flywheel (+30HP) for Mercury 300R ls9portUpsell Our port work includes openingKong 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,