Kong Performance Lightweight Billet Flywheel (+50HP) for Mercury 450R / 500R

Kong Performance Billet Lightweight Flywheel for Mercury Racing 450R / 500R

Tap into the simplest proven gain in performance for your Mercury Racing 450R and 500R with the Kong Performance Billet Lightweight Flywheel – engineered for maximum performance, reliability, and simplicity.

Key Features & Benefits

• Built-In Adjustable Ignition Timing Advance
  Increase approximately +50 horsepower per engine with our integrated timing advance design. No external modules, no complicated setup—just proven, bolt on performance.

• Significant Weight Savings
  Designed from premium billet material, our flywheel is precision-balanced and significantly lighter than stock:

  • 40% lighter than the OEM 450R Flywheel

  • 35% lighter than the OEM 500R Flywheel

• Easy Installation
  A true bolt-on upgrade—no tuning required. Installation takes just 30–40 minutes per engine, using standard tools.

• Zero Tuning Required
  Enjoy instant gains with this simple bolt on modification. Bolt it on and immediately hit the water with added horsepower.

• Durability
  A solid design that is built to last and backed by Kong Performance’s 5 YEAR WARRANTY for complete peace of mind.

• Money Back Guarantee
  100% money back guarantee. If you are not 100% happy with it, remove and send back for a full refund. 

This product is intended for enthusiasts who want maximum performance. Please be aware that installing aftermarket performance parts can affect your engine warranty. The manufacturer may refuse warranty service for issues related to or caused by this upgrade. By purchasing, you acknowledge this possibility and accept full responsibility.