Spark plugs for 1975 Camaro

What fuel are you using? The key is getting the right heat range, NGK V POWER(R5671A-7) was used by one member instead of the R5671A-8 but this was on 91 octane fuel. NGK FR5 (part 7373) and Autolite 3924 are also worth considering.

Choosing the best spark plugs for your 75 Camaro with a 383 motor very much depends on various factors such as the type of fuel you use, driving conditions, and the modifications done to the engine. However, some good options to consider are:
 
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