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 - 440 lb/in Spring Rate - 1.150 in Coil Bind - 1.530 in OD
- Set of 16
- Part Number: 8205-SP
Specifications
| Brand |
Isky Cams |
| Part Number |
8205SP |
|
Product Line
|
SP Series
|
|
Spring Style
|
Standard
|
|
Spring Quantity
|
Dual Spring
|
|
Damper
|
Yes
|
|
Spring Rate
|
440 lb/in
|
|
Coil Bind Height
|
1.15 in
|
|
Installed Height
|
1.9 in
|
|
Outside Diameter of Outer Spring
|
1.53 in
|
|
Outside Diameter of Inner Spring
|
1.005 in
|
|
Inside Diameter of Outer Spring
|
1.11 in
|
|
Inside Diameter of Inner Spring
|
0.73 in
|
|
Maximum Valve Lift
|
0.65 in
|
|
Seat Load (LBS)
|
150 lbs
|
|
Seat Load At (in)
|
1.9 in
|
|
Open Load (LBS)
|
440 lbs
|
|
Open Load At (in)
|
1.3 in
|
|
Alloy
|
Chrome Silicone Wire
|
|
Material
|
Steel
|
|
Quantity
|
Set of 16
|
