Crower 68432-16 Features:

Crower 68432-16 dual valve spring for GM LS1, LS2, LS3, LS6, LS7, LS9, and LSX V8 engines 1.310 in. outside diameter dual spring design for high-rpm valvetrain control in racing applications 250 lb seat pressure at 1.800 in. installed height and 860 lb nose pressure at 1.050 in. 0.985 in. coil bind height helps support aggressive mechanical roller tappet camshaft setups

Valve Springs 1.310 Od Du Dual Ls 250 Lb Features:

• 1.310 in. OD dual valve spring for GM LS-series V8 engines, supporting LS1, LS2, LS3, LS6, LS7, LS9, and LSX combinations for high-rpm valvetrain stability
• 250 lb seat pressure at 1.800 in. installed height, helping maintain precise valve control with aggressive cam profiles and reducing the risk of valve float under load
• 860 lb nose pressure at 1.050 in., delivering the spring force needed for demanding high-lift valvetrain operation in extreme racing and mechanical-roller applications
• 0.985 in. coil bind height, providing critical clearance data for proper spring-to-cam matching and helping prevent destructive coil bind in performance LS engine builds
• Engineered by Crower for extreme racing use, with dual-spring construction suited to mechanical-roller tappet camshafts and serious high-performance LS valvetrain setups