Mr Gasket Vacuum Cap Assortment Kit Kit Includes 4 pcs-1/8", 4 pcs-3/16", 4 pcs-1/4", 2 pcs-5/16", 2 pcs-3/8".
Use to block off open engine vacuum fittings. Sixteen pieces of quality "Buna-N" rubber makes for a much more durable, long-lasting part as compared to neoprene or vinyl materials...especially when exposed to high under-hood temperatures.