Crower 87002-16 Features:

Lightweight tool steel valve spring retainers for 10° valve stem keepers 1.390 in. OD retainers, sold as a 16-piece set for performance valvetrains Dimensions include 1.100 in. B, 0.800 in. C, and 0.650 in. D 0.090 in. step with +0.085 in. installed height for precise spring setup

Retainers Tool Steel 1.39 10-Degree 1.390 In. Od Set Features:

• Lightweight tool-steel construction for reduced valvetrain mass and high-strength durability in demanding racing applications
• 1.390 in. OD retainer design for performance valve spring setups, added stability, and dependable high-rpm valvetrain control
• 10° keeper angle for stronger lock retention than conventional 7° taper configurations during aggressive, high-load engine use
• 0.090 in. step with +0.085 in. installed height change for precise valvetrain geometry tuning and spring setup adjustment
• Set of 16 retainers, 21.9 g each, with 1.100 in. B, 0.800 in. C, and 0.650 in. D dimensions for fitment reference