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Isky Cams 1.570" Dual Valve Springs 9988RAD
Isky Cams 1.570" Valve Springs

Isky Cams 1.570" Valve Springs

ISK9988-RAD (21 in stock)

Isky Cams

Regular price $553.99 Sale

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
  • 550 lb/in Spring Rate
  • 1.150 in Coil Bind
  • 1.570 in OD
  • Set of 16 
  • Part Number: 9988RAD

Specifications

Brand Isky Cams
Part Number 9988RAD (9988-RAD)
Product Line
RAD-9000
Spring Style
Standard
Spring Quantity
Dual Spring
Damper
Yes
Spring Rate
550 lb/in
Coil Bind Height
1.15 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
0.75 in
Seat Load (LBS)
250 lbs
Seat Load At (in)
2 in
Open Load (LBS)
660 lbs
Open Load At (in)
1.25 in
Material
Steel
Quantity
Set of 16