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![466464 Single Valve Spring for Mopar (LA) Small Block Engines [1.525 in. O.D.]](https://www.jegs.com/images/mini_750/600/689/689-466464.jpg)
Vehicle Info NeededMELLINGPART NUMBER: 689-466464
466464 Single Valve Spring for Mopar (LA) Small Block Engines [1.525 in. O.D.]
$999
Ships on 09/09/2026
Lowest Price GuaranteeSprings by Dimension
Performance Single Valve SpringInstalled Load/Height: 130 lbs. @ 1.900 in. Open Load/Height: 315 lbs. @ 1.261 in. O.D. 1.525 in. I.D. 1.125 in. Coil Bind: 1.186 in. Chrome Silicone Sold Individually
Valve Spring Installation Notes
Melling 446464 Performance Valve Spring Technical Specifications:
- This valve spring is available by size only and is not engine specific
- Closed Pressure: 130 PSI
- Coil Bind Height: 1.186 in. (30 mm)
- Inside Diameter: 1.125 in. (29 mm)
- Installed Height: 1.900 in. (48 mm)
- Installed Pressure: 130 PSI
- Open Pressure: 315 PSI
- Outside Diameter: 1.525 in. (39 mm)
- Spring Closed Height: 1.900 in. (48 mm)
- Spring Open Height: 1.261 in. (32 mm)
- Spring Type: Performance Single Spring
- Material: Chrome Silicone
Part TypeValve Spring
BrandMELLING
Package Height1.45
Package Width3.85
Package Length8.15
Weight0.145 PG
Part CategoryPerformance Parts
Coil Bind Height1.181 in.
Inside Diameter1.141 in.
Installed Pressure130 psi
Spring TypeSingle Spring
MaterialChrome Silicon
Outside Diameter1.535 in.
Installed Height1.9 in.
Open Pressure315 psi
Spring Open Height1.261 in.
Grade TypePerformance
Vendor Part Number466464
Package Qty1
Package TypeEA
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