Howards Stock Diameter Performance Dual Valve Spring with Damper Kit
Part # 98636-K12
Kit Includes Howards Valve Springs, Retainers and 10 Degree Valve Locks
Valve Spring Specs:
- Series: Stock Diameter Performance
- Style of Spring: Dual with Damper
- Outer Overall Diameter: 1.514
- Outer Inside Diameter: 1.125
- Inner Overall Diameter: .937
- Inner Inside Diameter: .697
- Damper: YES
- Closed Seat Pressure: 130 @ 1.875
- Open Pressure: 330 @ 1.300
- Spring Rate: 348
- MAX Lift: .670
- Coil Bind: 1.150
- Valve Lock Style: 10 Degree
- Valve Stem Diameter: 11/32"
- Number of Grooves: Single Groove
