Fluidampr 840801 is an 8.5" SFI-certified harmonic damper for Toyota 1JZ/2JZ engines, using viscous tech to control vibration and improve reliability.

Fluidampr 610901 is a 6-1/8" SFI-certified harmonic damper for Nissan RB26DETT engines, reducing vibrations with viscous technology.

Fluidampr 760111 is a stock-diameter, SFI-certified harmonic damper for LSX engines, reducing vibration with viscous silicone technology.