The stock speakers in a 1999 single cab Chevy Silverado typically measure 6.5 inches in diameter for the front door speakers. The rear speakers, if equipped, are usually 4x6 inches. It's always a good idea to verify the specific configuration, as variations may exist based on the vehicle's audio package.
All the speakers in a 1991 Chevy Silverado should be 4x6 if they are stock.
Stock speakers should be 4x6's
Generally, a stock silverado will have four speakers; two in the dashboard and two behind the seat.
6.5" in the doors. Standard tweeter size (1.25" I think).
stock brand of tires for the 2000 chevy silverado 4x4 ext cab
Yes they are interchangeable.
16x7
No, Chevy changed the wiring harness in 2003. and the way it is mounted, it can be made to work though.
the size of the speakers are 6.5" round
285 hp
6.5" front and rear door speakers
P245/75 R16 Chevy stock size