Hi all, I am new to the forum. I was wondering if anyone has any knowledge on headers with a D-port design that will fit in my 1980 K5. I am picking up my motor on Tuesday. 1995 Roller, 383 kit, GM Fast Burn Heads with matching intake, Comp Cams 230/236, Comp Roller Rockers. Also, does anyone know of a replacement transmission tunnel (not the cover). So far I can only find floor panels. All help and advice is greatly appreciated