These are bolt-on style hoods.
Chevelle-El Camino-Malibu Hoods, Trunks, Complete Kits
Exterior, Replacement Body Panels, Hoods
Hood Panels for 1968 Chevrolet El Camino for sale
CARS Inc 1967-1985 Chevy Camaro Catalog (V15) by CARS Inc. - Issuu
cowl vent covers?
Ecklers 1968-69 Ford Fairlane, Torino, or Ranchero Hood - Original Equipment Style
Hood Panels for 1968 Chevrolet El Camino for sale
Glasstek Parts & Accessories @
1969 El Camino Sheet Metal & Body Panels - Page 7 @
1968 - 1969 CHEVELLE/MALIBU/EL CAMINO - 4 COWL FIBERGLASS HOOD (Bolt-On) #B-22104
Chevelle-El Camino-Malibu Hoods, Trunks, Complete Kits
1969 Chevelle Firewall/Cowl - Page 2 @