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![466564 Dual Valve Spring for GM Gen III/IV LS Engines [1.276 in. O.D.]](https://www.jegs.com/images/mini_750/600/689/689-466564.jpg)
Vehicle Info NeededMELLINGPART NUMBER: 689-466564
466564 Dual Valve Spring for GM Gen III/IV LS Engines [1.276 in. O.D.]
$1199
More than 10 available
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Performance Dual Valve SpringInstalled Load/Height: 147 lbs. @ 1.800 in. Open Load/Height: 406 lbs. @ 1.230 in. O.D. 1.276 in. I.D. 0.678 in. Coil Bind: 1.100 in. Chrome Silicone Sold Individually
Valve Spring Installation Notes
Melling 466564 Performance Valve Spring Technical Specifications:
- Dimensions are compatible with GM Gen III/IV LS engines
- Closed Pressure: 147 PSI
- Coil Bind Height: 1.100 in. (28 mm)
- Inside Diameter: .678 in. (17 mm)
- Installed Height: 1.800 in. (46 mm)
- Installed Pressure: 147 PSI
- Open Pressure: 406 PSI
- Outside Diameter: 1.276 in. (32 mm)
- Spring Closed Height: 1.800 in. (46 mm)
- Spring Open Height: 1.230 in. (31 mm)
- Spring Type: Performance Dual Spring
- Material: Chrome Silicone
Valve Springs for Performance Camshafts
Melling Performance Valve Springs are available for engines with performance cams from mild street to all-out-race. Get the most out of your camshaft with the correct valve springs.
Part TypeValve Spring
Product LineMelling Performance Valve Springs
BrandMELLING
Part CategoryPerformance Parts
Coil Bind Height1.102 in.
Inside Diameter0.678 in.
Installed Pressure147 psi
Spring TypeDual Spring
MaterialChrome Silicon
Outside Diameter1.276 in.
Installed Height1.8 in.
Open Pressure406 psi
Spring Open Height1.23 in.
Grade TypePerformance
Vendor Part Number466564
Package Qty1
Package TypeEA
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