Supertech Beehive Valve Springs for a BMW / B58B30 - 7.25lbs/mm

Upgrade your valvetrain with Supertech beehive valve springs for a BMW / B58B30, rated at 7.25lbs/mm for high RPM stability, precision, and extreme durability.

Attributes
Coil Bind	23.20mm
Rate	7.25lbs/mm
Outer Spring Id	17.60mm
Inner Spring Od	21mm
Inner Spring Id	14.20mm

Specs
Outer Spring Id	17.60mm
Inner Spring Od	21.00mm
Inner Spring Id	14.20mm
Coil Bind	23.20mm
Rate	8.lbs/mm