Supertech valve spring kit SPRK-FE20N54-BE – BMW N54/55 Conical spring kit SPR-FE20-BE(24) 75lbs@36.5mm Rate:8lbs/mm CB@23.2mm lift Max Rec’d lift: 12mm Intake RET-BMN54/TI(12) Exhaust RET-BMN54/TE(12) Use Factory valve stem seal/Factory Keepers OK
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Supertech valve spring kit SPRK-FE20N54-BE – BMW N54/55 Conical spring kit SPR-FE20-BE(24) 75lbs@36.5mm Rate:8lbs/mm CB@23.2mm lift Max Rec’d lift: 12mm Intake RET-BMN54/TI(12) Exhaust RET-BMN54/TE(12) Use Factory valve stem seal/Factory Keepers OK
€ 1.387,43
Supertech valve spring kit SPRK-FE20N54-BE – BMW N54/55 Conical spring kit SPR-FE20-BE(24) 75lbs@36.5mm Rate:8lbs/mm CB@23.2mm lift Max Rec’d lift: 12mm Intake RET-BMN54/TI(12) Exhaust RET-BMN54/TE(12) Use Factory valve stem seal/Factory Keepers OK


