Professional Valve Springs are made of chrome silicon material for oval track and drag racing.
- Valve Spring Style:
- Standard
- Number of Springs Per Valve:
- Dual
- O.D. Outer Spring (in.):
- 1.550 in.
- Coil Bind Height (in.):
- 1.180 in.
- Damper Spring Included:
- Yes
- Spring Rate (lbs/in.):
- 458 lbs./in.
- I.D. of Outer Spring (in.):
- N/A
- I.D. of Inner Spring (in.):
- 0.740 in.
- Valve Springs Coated:
- No
- Maximum Valve Lift (in.):
- N/A
- Retainers Included:
- No
- Retainer Material:
- N/A
- Locks Included:
- No
- Lock Material:
- N/A
- Valve Stem Seals Included:
- No
- Installed Height:
- 150 lbs. @ 1.880 in.
- Open Height:
- 425 lbs. @ 1.280 in.
- Quantity:
- Sold as a set of 16.
