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AMTuned HD Valve Spring Package for B6 / B7 Audi S4 4.2

AMTuned HD Valve Spring Package for B6 / B7 Audi S4 4.2

$929.95

Intake single spring: seat pressure 65/lbs

Exhaust single spring: seat pressure 75/lbs

Titanium retainers

To be used with factory style triple groove valves and keepers