Product
Valve Spring, RAD-9000, Dual Spring / Damper, 570 lb/in Spring Rate, 1.130 in Coil Bind, 1.570 in OD, Set of 16
Brand
With a long and distinctive history in producing custom cams, Isky Cams is recognized for their high-quality racing cams. Founded by the legendary Ed Iskendarian, Isky Cams also produces a full range of lifters, valve springs, push rods, and other racing products.
Product Information
Alternate Description
1.570 VALVE SPRINGS
Part Number
ISK9989RAD
Vendor Part Number
9989RAD
UPC Code
Package Weight
5.55 lbs 2.52 kg
Package Length
12.4 in 31.50 cm
Package Width
3.4 in 8.64 cm
Package Height
3 in 7.62 cm
Product Key Attributes
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
