Fluidampr’s custom Chevy LSx harmonic damper is a steel, internally balanced unit offered for custom LS engine builds. Specified at approximately 6-3/4" diameter with a single 8-rib pulley option, it meets SFI 18.1, is CNC machined and balanced, and is made in the USA. It is intended for custom applications with customer prints available upon request.
Fluidampr Chevy LSX 6-1/4in Damper w/Single 8 Rib 6.57in Dia Pulley Steel Internally Balanced Damper