Supertech Beehive Valve Springs for a BMW / M50 - 12.50lbs/mm

Upgrade your valvetrain with Supertech beehive valve springs for a BMW / M50, rated at 12.50lbs/mm for high RPM stability, precision, and extreme durability.

Attributes
Free Length	40mm
Coil Bind	18.50mm
Rate	12.50lbs/mm
Outer Spring Id	22.20mm
Inner Spring Od	22.20mm
Inner Spring Id	16.80mm

Specs
Outer Spring Id	22.20mm
Inner Spring Od	22.20mm
Inner Spring Id	16.80mm
Coil Bind	18.50mm
Rate	12.50lbs/mm