Dual Valve Spring Kit

This design achieves its performance benefits through the use of less spring pressure, which contributes to better overall efficiency. The springs feature a top outer diameter of 1.185 inches and a bottom outer diameter of 1.454 inches, with a top inner diameter of 0.731 inches and a bottom inner diameter of 1.000 inches. They are designed to handle a maximum valve lift of 0.640 inches. With an installed height of 1.800 inches, these springs offer a seat pressure of 160 lbs. At an open height of 1.150 inches, they provide 420 lbs of open pressure. The coil bind height is 1.100 inches. This set includes 16 individual springs.