Supertech Performance SPR-H1022D/S14 BMW S14 Dual valve spring: 110lbs @37.6mm / 231lbs @11mm lift / CB:20.0 / max lift 17.60mm/
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Supertech Performance SPR-H1022D/S14 BMW S14 Dual valve spring: 110lbs @37.6mm / 231lbs @11mm lift / CB:20.0 / max lift 17.60mm/