FMF 4 Stroke Silencer Packing | 010590. Premier series packing is made of fine interwoven fibers that have been blended to FMF's specifications for high heat resistance and sound absorptionStandard packing works great for M/X applications where maximum sound absorption isn't necessary- FMF 4 Stroke Silencer Packing | 010590.
FMF 2 & 4 Stroke Silencer Packing. Premier series packing is made of fine interwoven fibers that have been blended to FMF's specifications for high heat resistance and sound absorptionStandard packing works great for M/X applications where maximum sound absorption isn't necessary... - FMF 2 & 4 Stroke Silencer Packing.