Designed for 81-87 Chevrolet and GMC Pickup Trucks, Blazers, Suburbans, and Crew Cabs with factory A/C and full panels. These will work for all 1973-1987 trucks with factory AC, no AC, full or half panels with slight modifications. 
Comes with installation instructions and installation kit.

*All years, no-air trucks will require the use of a half panel on the drivers side to hold the vent.

These are Made in the USA!