The complete Left hand vent assembly and left hand vent outlet that fits in the lower left hand corner of the instrument bezel (AC14557). The one Center vent outlet that fits in the upper right hand corner of the instrument bezel (AC9751).
And the TWO vents that fit in the passenger side of the dash pad vent plate (AC4536). The item "81-87 Chevrolet & GMC Pickup Truck 81-91 Blazer & Suburban Dash Vent Outlet Kit" is in sale since Monday, August 26, 2019.
This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Interior\Dash Parts". The seller is "motorhead5907" and is located in Noble, Oklahoma. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Bolivia, Ecuador, Egypt, French guiana, Gibraltar, Guadeloupe, Iceland, Jordan, Cambodia, Cayman islands, Sri lanka, Luxembourg, Monaco, Macao, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Russian federation.