The Edelbrock #5703 Sure Seat Valve Spring for S/B Chevy O.E Cast iron cylinder heads are made of highest quality spring wire and precision wound to close tolerances, our Sure Seat Valve Spring sets are for use on original equipment heads when installing Edelbrock Performer-Plus, Performer RPM and Torker-Plus camshafts. These are the same high-performance springs used on Edelbrock Performer and RPM cylinder heads. For camshaft warranty compliance, use only the springs recommended by Edelbrock for each camshaft application.
- Valve Spring Style:
- Standard
- Number of Springs Per Valve:
- Single
- O.D. Outer Spring (in.):
- 1.265 in.
- Coil Bind Height (in.):
- 1.160 in.
- Damper Spring Included:
- No
- Spring Rate (lbs/in.):
- 357 lbs./in.
- I.D. of Outer Spring (in.):
- 0.880 in.
- I.D. of Inner Spring (in.):
- 0.880 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:
- 110 lbs. @ 1.700 in.
- Open Height:
- 285 lbs. @ 1.210 in.
- Quantity:
- Sold as a set of 16.
