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Outside Diameter of Outer Spring (in.)
- 1.280 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.290 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Seat Pressure at Installed Height (lbs.)
- 72 lbs. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 130 lbs. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Coil Bind Height (in.)
- 1.150 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.140 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Open Pressure (lbs.)
- 214 lbs. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 318 lbs. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Spring Rate (lbs./in.)
- 236 lbs./in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 313 lbs./in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inside Diameter of Outer Spring (in.)
- 1.014 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inside Diameter of Inner Spring (in.)
- 0.875 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Quantity
- Sold individually. (2)
- Sold as a set of 16. (1)
Price Range

Howards Cams Ovate Inverted Conical Valve Springs

5.0 out of 5 stars 1 Customer Reviews

Howards Cams Ovate inverted conical valve springs offer increased harmonic resistance for greater spring stability. They require less spring pressure for better valve control. This design is well known for GM Gen III, LS1, LS2, and LS6 applications but will also work for other applications. They're performance replacements featuring precision winding, heat-treating, and finishing processes. These springs are designed for stock-style retainers.

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