Product details:

Sealed Power H654CP: Pistons, Hypereutectic, Dish, 4.000 in. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing and will work perfectly with normal ring end gaps. Choose the model designed for your vehicle and engine application. Sealed Power. H654CP fits these applications: FORD 5.0L/302 Ford small block Windsor, LINCOLN 5.0L/302 Ford small block Windsor, MERCURY 5.0L/302 Ford small block Windsor.