Manley Small Block Chevy LS Series .600in Lift Single NexTek High Perf Valve Springs ( Set of 16 )

Chevy LS Series, LT1/LT4/L98, Single Spring, Conical Ovate Wire, 1.076" Top 1.311" Bottom Outer Diameter, .650" Top .885" Bottom Inner Diameter, Seat Pressure 150 @ 1.800, Open Pressure 355 @ 1.200, Coil Bind 1.085", Set of 16

Manley NexTek Performance Street/Strip Valve Springs have a state-of-the-art winding, thermal treatment and finishing practices that cannot be duplicated. They are made from specially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities. NexTek Series valve springs have been by engine builders and are confirmed to be the best performing valve springs on the market today.