67 1/2 - 70 SU 2000 Positive crankcase ventilation hose. These are being supplied now as outer rubber with inner cloth sandwiched and completely impregnated in between the rubber in the same manner as all of the newer Nissan radiator hoses, heater hoses and aftermarket hoses all sold as well by other vendors. Gee, guess the design is really good then! Rubber used is designated for oil resistance. Far superior to Nissan original where cloth webbing became so dry that it would make a crunching sound when squeezed. Squeeze yours!
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