These are a used set of PSI solid flat tappet cam valve springs from a Nascar team only run 1 race. The springs are 1.250"o.d. and .875" and .600" i.d. on inner spring and sets up at 1.950" with 160lbs and they have 460lbs  at 1.350" .600 lift and 550lbs at 1.250", coil bind at 1.180"

 Check out my other items!

 Be sure to add me to your favorites list!