Crower 87007-16 Features:

Crower 87007-16 titanium valve spring retainers for GM LS engines, sold as a 16-piece set. Made from aerospace-grade 6AL4V titanium to reduce valvetrain weight for higher rpm potential. Designed for dual springs with 7-degree locks and 11/32 in. valve stem compatibility. Spring dimensions: 1.200 in. outer OD, 0.890 in. middle OD, and 0.600 in. inner ID.

Retainers Titanium Ls 7-Degree Titanium, 11/32 In. Valve Stem, Features:

• Aerospace-grade 6AL4V titanium construction for reduced valvetrain mass and improved high-rpm stability in LS performance builds
• 7-degree lock design for 11/32 in. valve stems, engineered for secure retainer-to-lock engagement under high spring loads
• Dual-spring fitment with 1.200 in. outer OD, 0.890 in. middle OD, and 0.600 in. inner ID for precise spring location
• Lightweight retainer design helps increase safe RPM potential, improve valvetrain control, and support added power with confidence
• 16-piece set for GM LS applications, ideal for high-revving street and race engines replacing heavier factory retainers