The Edelbrock #5821 replacement hydraulic roller Sure Seat Valve Spring for Edelbrock cylinder heads are made of highest quality spring wire and precision wound to close tolerances.
- Valve Spring Style:
- Standard
- Number of Springs Per Valve:
- Dual
- O.D. Outer Spring (in.):
- 1.540 in.
- Coil Bind Height (in.):
- 1.130 in.
- Damper Spring Included:
- No
- Spring Rate (lbs/in.):
- 333 lbs./in.
- I.D. of Outer Spring (in.):
- 0.760 in.
- I.D. of Inner Spring (in.):
- N/A
- Valve Springs Coated:
- No
- Maximum Valve Lift (in.):
- 0.600 in.
- Retainers Included:
- No
- Retainer Material:
- N/A
- Locks Included:
- No
- Lock Material:
- N/A
- Valve Stem Seals Included:
- No
- Installed Height:
- 145 lbs. @ 1.900 in.
- Open Height:
- 345 lbs. @ 1.300 in.
- Quantity:
- Sold as a set of 16.
- Notes:
- Non-rotator spring. Open pressure is being measured at 0.600 in. lift.
