Supertech Beehive Valve Springs for a BMW / S14 - 11.20lbs/mm

Upgrade your valvetrain with Supertech beehive valve springs for a BMW / S14, rated at 11.20lbs/mm for high RPM stability, precision, and extreme durability.

Attributes
Free Length	48mm
Coil Bind	19.50mm / 15.70mm
Rate	11.20lbs/mm
Outer Spring Id	21.80mm
Inner Spring Od	20.50mm
Inner Spring Id	15.50mm

Specs
Outer Spring Id	21.80mm
Inner Spring Od	20.50mm
Inner Spring Id	15.50mm
Coil Bind	19.5/ 15.7
Rate	11.20lbs/mm