Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. | 
	
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			My understanding is that:Yenko,Dick Harrell,Baldwin Motion,Nickey were all dealerships that transplanted the 427's and COPO cars are factory cars.Pontiac had the bobcat kit also this wasn't a factory option,it was a dealer install.I'm pretty sure that every manufactorier had something simular to yenko camaros and bobcated GTO's. 
		
		
		
		
		
		
		
		
	
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