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Vehicle Info NeededMELLINGPART NUMBER: 689-466954
466954 High Performance Valve Spring GM 4.3L, 4.4L, 4.6L, 5.0L, 5.3L, 5.4L, 5.7L, 6.6L, 6.7L
$799
Ships on 09/14/2026
Lowest Price GuaranteeHigh Performance Valve SpringGM 4.3L, 4.4L, 4.6L, 5.0L, 5.3L, 5.4L, 5.7L, 6.6L, 6.7L
Melling 466954 Features:
Street to circle track, OEM to drag race performance, Melling valve springs cover the market and your requirements. Standard, mid-range, heavy-duty and race ready applications are available from Melling in a variety of wire sizes, materials and spring pressures. Melling spring designs include standard and dual springs with and without dampers as well as new beehive applications. Whatever your valve/rocker spring needs may be Melling has a variety of quality valve springs to fit your requirements.
- 150 PSI Installed Pressure
- 367 PSI Open Pressure
- 1.250 Inch Open Height
- 1.750 Inch Installed Height
- Single Spring With Damper
- Coil Bind Height: 1.1 in.
- Grade Type: Performance
- Inside Diameter: 0.88 in.
- Installed Height: 1.75 in.
- Installed Pressure: 150 psi
- Material: Chrome Silicon
- Open Pressure: 367 psi
- Outside Diameter: 1.263 in.
- Spring Open Height: 1.25 in.
- Spring Type: Single Spring
Part TypeValve Spring
BrandMELLING
Part CategoryPerformance Parts
Coil Bind Height1.1 in.
Inside Diameter0.88 in.
Installed Pressure150 psi
Spring TypeSingle Spring
MaterialChrome Silicon
Part FitmentDirect Fit
Outside Diameter1.263 in.
Installed Height1.75 in.
Open Pressure367 psi
Spring Open Height1.25 in.
Grade TypePerformance
Vendor Part Number466954
Package Qty1
Package TypeEA
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