Footwork Arrows 1991 Porsche Piston Valve & Spring
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Footwork Arrows 1991 Porsche Piston Valve & Spring.
This is a rare technical piece of Formula 1 engineering, a genuine internal engine component set comprising piston, valve, and valve spring from a 1991 Porsche-designed Formula 1 power unit, associated with the Footwork Arrows team.











