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IR Performance · 02-19-2009, 12:02 AM

They don't transmit very much vibration if that is what you are asking. They are bolt-through but I have a poly disk under the subframe to reduce vibration further. Yes they are stiffer than stock but much smoother than some other types of mounts.

02-19-2009, 12:02 AM	#17
IR Performance Rotary Fanatic Join Date: Feb 2008 Location: Metuchen, NJ Posts: 249 Rep Power: 18	They don't transmit very much vibration if that is what you are asking. They are bolt-through but I have a poly disk under the subframe to reduce vibration further. Yes they are stiffer than stock but much smoother than some other types of mounts. __________________ Providing rotary engine rebuilds, porting, turbo installs, parts installations, full maintenance, etc. We work on all cars. www.irperformance.com www.myspace.com/rotaryexperimentseven irperformance@live.com 732-662-1794