S7MS6582 Shelby American inc valve covers are they the real deal?

[GT500J]

What car would these have come off? And are they real? What would it be worth?

[Bob Gaines]

What car would these have come off? And are they real? What would it be worth?

That is the trademark inside the Diecast original valve covers. Regardless of the engineering number they are for 1968 GT500 and GT500 KR. 

[GT500J]

What car would these have come off? And are they real? What would it be worth?

That is the trademark inside the Diecast original valve covers. Regardless of the engineering number they are for 1968 GT500 and GT500 KR. 

So it's authentic Shelby item? I'm helping my dad identify thank you

[Bob Gaines]

What car would these have come off? And are they real? What would it be worth?

That is the trademark inside the Diecast original valve covers. Regardless of the engineering number they are for 1968 GT500 and GT500 KR. 

So it's authentic Shelby item? I'm helping my dad identify thank you

Yes to repeat the trademark inside identifies as original or authentic.  Regardless of the engineering number they are for 1968 GT500 and GT500 KR. 

[GT500J]

What car would these have come off? And are they real? What would it be worth?

That is the trademark inside the Diecast original valve covers. Regardless of the engineering number they are for 1968 GT500 and GT500 KR. 

So it's authentic Shelby item? I'm helping my dad identify thank you

Yes to repeat the trademark inside identifies as original or authentic.  Regardless of the engineering number they are for 1968 GT500 and GT500 KR. 

Thank you