Trick Flow TFS-16838-16 valve springs new open box

Description

These came with a car I bought, but I sold the car and don’t need them. They appear to be brand new. Here are the specs from Trick Flow:
Part Number:
TFS-16838-16
Part Type:
Valve Springs
Product Line:
Trick Flow® by PAC Racing Dual Valve Springs
UPC:
842645100567
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Maximum Valve Lift (in.):
0.650 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.465 in.
Coil Bind Height (in.):
0.916 in.
Damper Spring Included:
No
Spring Rate (lbs/in.):
417 lbs./in.
Inside Diameter of Outer Spring (in.):
1.090 in.
Inside Diameter of Inner Spring (in.):
0.807 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold as a set of 16.
Notes:
Up to .650 in. lift @ 1.688 in. installed height.
“Trick Flow by PAC Racing Dual Valve Springs are manufactured to Trick Flow’s rigorous, world-class standards. Every spring is CNC coiled from high tensile-strength, extra-durable Pacaloy™ chrome-silicon steel and double shot-peened beyond Aerospace Material Specifications (AMS) reliability criteria. These dual PAC springs are specifically designed for cams with aggressive profiles, and are available with damper coils for extra spring surge prevention.”
Trick Flow has them for 5.99 plus tax and shipping, buy them here and save!