RAD-9000 Precision Tool Room Valve Springs
Isky Precision Tool Room valve springs have gone one step further. Springs have undergone Radial-Densification (RAD) to further modify the springs’ physical properties. Designed for endurance oval track racing, RAD-9000 springs are sold in sets of 16.
- Valve Spring - RAD-9000
- Dual Spring / Damper
- 570 lb/in Spring Rate
- 1.130 in Coil Bind
- 1.570 in OD
- Set of 16
- Part Number: 9989RAD
Specifications
| Brand |
Isky Cams |
| Part Number |
9989RAD (9989-RAD) |
|
Product Line
|
RAD-9000
|
|
Spring Style
|
Standard
|
|
Spring Quantity
|
Dual Spring
|
|
Damper
|
Yes
|
|
Spring Rate
|
570 lb/in
|
|
Coil Bind Height
|
1.13 in
|
|
Installed Height
|
2 in
|
|
Outside Diameter of Outer Spring
|
1.57 in
|
|
Outside Diameter of Inner Spring
|
1.04 in
|
|
Inside Diameter of Outer Spring
|
1.145 in
|
|
Inside Diameter of Inner Spring
|
0.745 in
|
|
Maximum Valve Lift
|
0.8 in
|
|
Seat Load (LBS)
|
270 lbs
|
|
Seat Load At (in)
|
2 in
|
|
Open Load (LBS)
|
710 lbs
|
|
Open Load At (in)
|
1.2 in
|
|
Material
|
Steel
|
|
Quantity
|
Set of 16
|
