Peasterbilt Customs - Peterbilt 379 Flat Top Cab Interior Kit Gray Carrara with Black Stitching - Kit Includes; Headliner, Radio Piece, 2 Door Panels, 2 Aluminum Side Pieces to Install Above Doors Behind Headliner & 2 Cab Corner Pieces. Standard Kits Come as a 3 Piece Headliner. Aluminum pieces are so you have something stronger to screw the headliner to on the top sides to prevent sagging over time. It also provides something to mount speakers to so they don't come loose and fall out over time. Fits PB 379 Flat Top 1995 - 2005. Can Also fit 2006 - 2024 with minor modification to some brackets in cab. Pick Up In Store Price ONLY. Call for freight pricing.