Fluidampr 720311 Harmonic Balancer Mopar Big Block B/RB/426 Hemi

Harmonic Balancer - Fluidampr - Mopar Big Block - B/RB/426 Hemi - Each Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing marks. No maintenance required. Trusted by leading engine builders worldwide. SFI 18.1 certified. Made in USA. NOTE: 6 bolt holes evenly space pulley pattern. Some older B series may require stock pulley to be re-drilled. OPTION: Aftermarket crank trigger adapter p/n 400309. Broad RPM range protection. Reduce risk of crankshaft failure. Reduce wear on critical engine parts. Unleash lost torque & horsepower. No maintenance required.