Update your 1974-77 911 to the 911SC look with the front mounted chin spoiler. These genuine factory rubber spoilers bolt on with the hardware kit. Or replace your original spoiler if it's been 'spoiled' by a nasty curb.
911 Front Chin Spoiler with Mounting Hardware, 911 (1974-89) Brand: OEM [More Info]
911 Front Chin Spoiler, 911 (1974-89) Brand: Phoenix [More Info]
The front chin spoiler for the 1976 Turbo Carrera is no longer available. You can modify the front valance of a 1976 car so that the later chin spoiler fits. You need the nose panel and spacers shown below.