Manley 23619TS-16 10 Degree H-13 Tool Steel Valve Spring Retainers +.050 Oversize 16-Piece Set

Manley 23619TS-16 valve spring retainers are engineered from H-13 tool steel to provide a cost-effective alternative to titanium retainers while delivering exceptional strength and durability. These 10-degree retainers feature a +.050 oversize design for compatibility with specific valve spring configurations.

Key Features:

• H-13 tool steel construction for superior strength and heat resistance
• 10-degree valve lock angle design
• +.050 oversize specification for precise fitment
• Heat-treated to Rc56 hardness for maximum durability
• Up to 33 percent lighter than standard 10 steel retainers
• Only 2-4 grams heavier than titanium versions
• CNC machined to exacting tolerances
• 16-piece set for complete valvetrain upgrade

Manley H-13 tool steel retainers offer the ideal solution for serious engine builders who need superior performance without the cost of titanium components, or for racers bound by class rules restricting titanium use. The H-13 alloy allows for better processing than other tool steels, yielding a stronger, more durable product suitable for all types of racing and high-performance street applications.