Test-proven for 850 racing miles, Endurance Plus springs feature a higher alloy outer spring plus special processing for increased durability. Excellent for use in sprint cars, super modifieds, super late models, road racing, and other race cars running up to 8400 RPM. Sold in sets of 16.
- Valve Spring Style:
- Standard
- Number of Springs Per Valve:
- Dual
- O.D. Outer Spring (in.):
- 1.560 in.
- Coil Bind Height (in.):
- 1.180 in.
- Damper Spring Included:
- Yes
- Spring Rate (lbs/in.):
- 500 lbs./in.
- I.D. of Outer Spring (in.):
- 1.145 in.
- I.D. of Inner Spring (in.):
- 0.740 in.
- Valve Springs Coated:
- No
- Maximum Valve Lift (in.):
- 0.720 in.
- Retainers Included:
- No
- Retainer Material:
- N/A
- Locks Included:
- No
- Lock Material:
- N/A
- Valve Stem Seals Included:
- No
- Installed Height:
- 245 lbs. @ 2.000 in.
- Open Height:
- 600 lbs. @ 1.280 in.
- Quantity:
- Sold as a set of 16.
