This  goes on the INSIDE of the car up on the firewall . helps limit the heat transfer into the cabin.

   Precut with a harder outward surfaced.

This one is if  LHD cars without ever having  FACTORY AC. - NO FACTORY AC.

LHD ONLY.

Fits:

68-72 GTO LeMans Tempest 

69-72 Pontiac GP

68-72 Buick Skylark GS

68-72 Chevelle, El Camino, 

68-72 Olds Cutlass

70-72 Malibu