Aftermarket Harmonic Balancers are designed for high performance applications to reduce harmful engine vibration. Specifically designed for high-rpm engines, they're tuned to eliminate the harmful crankshaft harmonics that cause parasitic horsepower loss. These balancers are extremely efficient at all rpm. High quality SFI 18.1 certified harmonic balancers are approved for sanctioned racing organizations and a must have item for any supercharger, nitrous, turbo or N/A build.
