Supertech Beehive Valve Springs for a Nissan / SR20DET - 13.20lbs/mm

Upgrade your valvetrain with Supertech beehive valve springs for a Nissan / SR20DET, rated at 13.20lbs/mm for high RPM stability, precision, and extreme durability.

Attributes
Free Length	47.50mm
Coil Bind	22.70mm / 19.50mm
Rate	13.20lbs/mm
Outer Spring Id	21.80mm
Inner Spring Od	21.30mm
Inner Spring Id	15.50mm

Specs
Outer Spring Id	21.80mm
Inner Spring Od	21.30mm
Inner Spring Id	15.50mm
Coil Bind	22.7/ 19.5
Rate	13.20lbs/mm