Looking for aftermarket parts to modify or upgrade your GMC C15 with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories for your C15.
Whether you have a 1975 or 1978 GMC C15 in Base to Street Coupe trim we have you covered. We have 3 headers & manifolds available to mod your C15. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK 1830S-6JBA 65-86 GM Truck 265-400 Carbureted w/A.I.R. 1-5/8in Primary Raw 409SS Cat4Ward Header 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $809.45 |
 OUT OF STOCK 1830S-6JSJBA 65-86 GM Truck 265-400 Carbureted w/A.I.R. 1-5/8in Primary Slvr Ctd Cat4Ward Header 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $956.45 |
 OUT OF STOCK 1830S-6JTJBA 65-86 GM Truck 265-400 Carbureted w/A.I.R. 1-5/8in Primary Ti Ctd Cat4Ward Header 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $956.45 |