Isky Precision Tool Room valve springs have gone one step further. Springs have undergone Radial-Densification (RAD) to further modify the springsĀ physical properties. Designed for endurance oval track racing, RAD-9000 springs are sold in sets of 16.
- Valve Spring Style:
- Standard
- Number of Springs Per Valve:
- Dual
- O.D. Outer Spring (in.):
- 1.625 in.
- Coil Bind Height (in.):
- 1.240 in.
- Damper Spring Included:
- Yes
- Spring Rate (lbs/in.):
- 545 lbs./in.
- I.D. of Outer Spring (in.):
- 1.175 in.
- I.D. of Inner Spring (in.):
- 0.770 in.
- Valve Springs Coated:
- No
- Maximum Valve Lift (in.):
- 0.800 in.
- Retainers Included:
- No
- Retainer Material:
- N/A
- Locks Included:
- No
- Lock Material:
- N/A
- Valve Stem Seals Included:
- No
- Installed Height:
- 265 lbs. @ 2.120 in.
- Open Height:
- 700 lbs. @ 1.320 in.
- Quantity:
- Sold as a set of 16.
