| Viton has more resistance to thermal breakdown than the rubber the OEM seals are made of. We use them in every motor we build because even though the material is superior they cost less than new OEM seals simply because they don't have the Nissan mark-up in them. Needless to say we haven't had any problems with them.
Russell Floyd Z1 Motorsports www.300zx.com 1990+ Nissan Z specialists Used Parts, New parts, Service/Repair and Performance Z1 Motorsports Exclusive Parts Line 2877 Carrollton Villa Rica Hwy Carrollton, Ga 30116 770-838-7777 770-832-9253 (fax) 
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