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HH Designs

  • BE-VS-S65
    BE-VS-S65
    Designed by former BMW M-Engine designer.  These valve springs offer increased lift, seat pressure, and higher RPMs over stock valve springs. BE-Design valve spring features: 64% higher seat pressure 34% higher pressure @ 0.450 inch lift 37% room for more camshaft lift Designed by former BMW M-Engine designer.  These valve springs offer incre...
  • BE-VS-S85
    BE-VS-S85
    Designed by former BMW M-Engine designer.  These valve springs offer increased lift, seat pressure, and higher RPMs over stock valve springs. BE-Design valve spring features: 64% higher seat pressure 34% higher pressure @ 0.450 inch lift 37% room for more camshaft lift Designed by former BMW M-Engine designer.  These valve springs offer incre...