High Endurance™ Valve Springs are test-proven for 700 racing miles, Isky High Endurance valve springs are wound from “super clean” chrome silicone wire. Perfect for Late Models, Modifieds, and other race cars running up to 8,000 RPM. Sold in sets of 16.
- Valve Spring - SP-Series - Dual Spring / Damper - 460 lb/in Spring Rate - 1.170 in Coil Bind - 1.550 in OD
- Set of 16
- Part Number: 9365SP
Specifications
| Brand |
Isky Cams |
| Part Number |
9365SP |
|
Product Line
|
SP Series
|
|
Spring Style
|
Standard
|
|
Spring Quantity
|
Dual Spring
|
|
Damper
|
Yes
|
|
Spring Rate
|
460 lb/in
|
|
Coil Bind Height
|
1.17 in
|
|
Installed Height
|
1.95 in
|
|
Outside Diameter of Outer Spring
|
1.55 in
|
|
Outside Diameter of Inner Spring
|
1.025 in
|
|
Inside Diameter of Outer Spring
|
1.135 in
|
|
Inside Diameter of Inner Spring
|
0.74 in
|
|
Maximum Valve Lift
|
0.68 in
|
|
Seat Load (LBS)
|
225 lbs
|
|
Seat Load At (in)
|
1.95 in
|
|
Open Load (LBS)
|
550 lbs
|
|
Open Load At (in)
|
1.27 in
|
|
Alloy
|
Chrome Silicone Wire
|
|
Material
|
Steel
|
|
Quantity
|
Set of 16
|
