Product Information
- 4140 Chromemoly Steel - Superior to OE 1020 Steel, the 4140 Chromemoly Steel used in Lunati retainers is substantially stronger and harder than factory.
- High Durability - Lunati Chromemoly Steel Retainers are all black oxide coated to ensure corrosion resistance in high load performance and racing applications.
- Fit 1.500"-1.550" Dual Valve Springs with 10 Degree Lock Angle
- Made in USA