help what is it worth ????

First of all i'm new at this, i listed a center section & got a lot of intresed pm's wanting it . In saying that i don't want to rip anyone off BUT at the same time i would like to know the fair price to ask so i can deal
the peice in ??? came with the car in a sealed bag a spare i think because the car was built for street & strip
so please help me out & let me what is a fair price thank's