Check the listing for details. Chevy El Camino 1978-1987 Single Sealed Sub Box Subwoofer Enclosure Box. Condition: New. Listed at 255.00 USD. DELIVERED BETWEEN 5 - 7 DAYS BLACK 8" SINGLE SEALED SUB BOX, FITS CHEVY EL CAMINO 1978-1987 SPECIFICATIONS:-CUTOUT DIAMETER: 7 1/8"-TOTAL AIR VOLUME: 1.68 CUBIC FT.-WEIGHT: 33 LBS.-MOUNTING DEPTH: 7" (6.5” WIDE MAGNET) DIMENSIONS:-HEIGHT: 14 1/4”-LENGTH: 18 1/4"-TOP DEPTH: 6 1/4"-BOTTOM DEPTH: 21 1/4" CONSTRUCTION:-3/4" MDF WOOD-GLUE-STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION:-FITS BEHIND SEAT-FORWARD FIRING BLACK 8" SOLO BARIC SINGLE SEALED SUB BOX, FITS CHEVY EL CAMINO 1978-1987 SPECIFICATIONS:-CUTOUT DIAMETER: 7 1/4"-TOTAL AIR VOLUME: 1.68 CUBIC FT.-WEIGHT: 33 LBS.-MOUNTING DEPTH: 7" (6.5” WIDE MAGNET) DIMENSIONS:-HEIGHT: 14 1/4”-LENGTH: 18 1/4"-TOP DEPTH: 6 1/4"-BOTTOM DEPTH: 21 1/4" CONSTRUCTION:-3/4" MDF WOOD-GLUE-STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION:-FITS BEHIND SEAT-FORWARD FIRING BLACK 10" SINGLE SEALED SUB BOX, FITS CHEVY EL CAMINO 1978-1987 SPECIFICATIONS:-CUTOUT DIAMETER: 9 1/4"-TOTAL AIR VOLUME: 1.68 CUBIC FT.-WEIGHT: 33 LBS.-MOUNTING DEPTH: 7" (6.5” WIDE MAGNET) DIMENSIONS:-HEIGHT: 14 1/4”-LENGTH: 18 1/4"-TOP DEPTH: 6 1/4"-BOTTOM DEPTH: 21 1/4" CONSTRUCTION:-3/4" MDF WOOD-GLUE-STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION:-FITS BEHIND SEAT-FORWARD FIRING BLACK 10" SOLO BARIC SINGLE SEALED SUB BOX, FITS CHEVY EL CAMINO 1978-1987 SPECIFICATIONS:-CUTOUT DIAMETER: 9 3/8"-TOTAL AIR VOLUME: 1.68 CUBIC FT.-WEIGHT: 33 LBS.-MOUNTING DEPTH: 7" (6.5” WIDE MAGNET) DIMENSIONS:-HEIGHT: 14 1/4”-LENGTH: 18 1/4"-TOP DEPTH: 6 1/4"-BOTTOM DEPTH: 21 1/4" CONSTRUCTION:-3/4" MDF WOOD-GLUE-STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION:-FITS BEHIND SEAT-FORWARD FIRING BLACK 12" SINGLE SEALED SUB BOX, FITS CHEVY EL CAMINO 1978-1987 SPECIFICATIONS:-CUTOUT DIAMETER: 11 1/8"-TOTAL AIR VOLUME: 1.68 CUBIC FT.-WEIGHT: 33 LBS.-MOUNTING DEPTH: 7" (6.5” WIDE-MAGNET) DIMENSIONS:-HEIGHT: 14 1/4”-LENGTH: 18 1/4"-TOP DEPTH: 6 1/4"-BOTTOM DEPTH: 21 1/4" CONSTRUCTION:-3/4" MDF WOOD-GLUE-STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION:-FITS BEHIND SEAT-FORWARD FIRING BLACK 12" L7T SINGLE SEALED L7T SUB BOX, FITS CHEVY EL CAMINO 1978-1987 SPECIFICATIONS:-CUTOUT DIAMETER: 11 1/8"-TOTAL AIR VOLUME: 1.68 CUBIC FT.-WEIGHT: 33 LBS.-MOUNTING DEPTH: 7" (6.5” WIDE-MAGNET) DIMENSIONS:-HEIGHT: 14 1/4”-LENGTH: 18 1/4"-TOP DEPTH: 6 1/4"-BOTTOM DEPTH: 21 1/4" CONSTRUCTION:-3/4" MDF WOOD-GLUE-STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION:-FITS BEHIND SEAT-FORWARD FIRINGNOT ALL SUBS WILL FIT DUE TO THE CUTOUT DIAMETER OR MOUNTING DEPTH SO PLEASE CHECK THE DIMENSIONS TO MAKE SURE THIS BOX SUITS YOUR SUBS