New, old stock, unused and in original box.

Denso 3128 Spark Plugs 4 Pack

PK20R11#4

Attributes:

Spark Plug Hex Size : 5/8" 
Spark Plug Reach : 3/4" 
Spark Plug Seat Type : Gasket 
Spark Plug Thread Size : 14 mm 

Fits: 
Chrysler Crossfire (2006) 
Ford Taurus (1989-1991) 
Infiniti M30 (1990-1992) 
and others....