Lightweight Billet flywheel for Mercury V8 450/500R (+50HP)

Description

Unleash Instant Performance Gains
Upgrade your Mercury Racing 450R or 500R with the Kong Performance Billet Lightweight Flywheel. This is the simplest, most proven bolt-on modification to increase throttle response and real horsepower—no tuning, no external electronics, no guesswork.

Key Benefits

Built-In Ignition Timing Advance
Our integrated adjustable timing advance adds approximately +50 horsepower per engine.
No modules. No programming. Just bolt it on and run.

Lightweight Billet Construction
CNC-machined from premium billet material and precision-balanced for high-RPM stability.

• 40% lighter than OEM 450R flywheel

• 35% lighter than OEM 500R flywheel

Reduced rotational mass = quicker acceleration, faster spool-up, and noticeably sharper throttle response.

True Bolt-On Upgrade
Install in 30–40 minutes per engine using standard tools.
No ECU tuning or calibration required.

Built to Last
Engineered for reliability in harsh marine environments.
Backed by Kong Performance’s 5-Year Warranty.

100% Money-Back Guarantee
If it’s not everything we promise, remove it and send it back. No hassle.

Customer Reviews