(2) Pair of Metra 72-4500 Speaker Wire Adapters for GMC Vehicles - 4 Total Adapters

Pyle 4'' x 6'' Three Way Sound Speaker System - Pro Mid Range Triaxial Loud Audio 240 Watt per Pair w/ 4 Ohm Impedance and 3/4'' Piezo Tweeter for Car Component Stereo PL463BL

Pioneer TS-G4645R 4"x6" G-Series 2-Way Speaker with 200W Max Power

Metra 70-1858 Radio Wiring Harness For GM 88-05 Harness

Pioneer TS-A4676R 4" x 6" 3-Way Speaker, Set of 1

BOSS Audio CH4330 Car Speakers - 400 Watts Of Power Per Pair And 200 Watts Each, 4 x 10 Inch, Full Range, 3 Way, Sold in Pairs, Easy Mounting

4) New BOSS CH4630 4"x 6" 3-Way 500W Car Audio Coaxial Speakers Stereo Red 4 Ohm

Pioneer TS-A4103 4 x 10 2-way Car Speakers (Pair)

1988-1996 Gray Chevrolet & GMC Complete Single Din Dash Kit + Pocket Kit + Wire Harness + Antenna Adapter. (Chevy - Crew Cab Dually, Full Size Blazer, Full Size Pickup, Suburban, Kodiak) (GMC - Crew Cab Dually, Full Size Pickup Sierra, Suburban, Yukon) (1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996)