WVA-002 MotorVac Assorted Cap / Plug Set. Kit Ranging in sizes from 1 3/4” to 4 1/2” and 1/8” to 3/16”, these accessories are designed to seal a wide range of openings. Useful for inside and outside diameter openings, each cap plug is made from molded vinyl. Included with: WV604, WV605, WV608, EELD601.