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![46673-16 Dual Valve Spring for GM Gen III/IV LS Engines [1.295 in. O.D.]](https://www.jegs.com/images/mini_750/600/689/689-46673-16.jpg)
Vehicle Info NeededMELLINGPART NUMBER: 689-46673-16
46673-16 Dual Valve Spring for GM Gen III/IV LS Engines [1.295 in. O.D.]
$19999
Ships on Sep 14, 2026
Lowest Price GuaranteeSprings by Application
- Performance Dual Valve Spring Set
- Installed Load/Height: 125 lbs. @ 1.800 in.
- Open Load/Height: 370 lbs. @ 1.115 in.
- O.D. 1.295 in.
- I.D. 0.676 in.
- Coil Bind: 1.100 in.
- Chrome Silicone
- Set of 16
These Melling 46673-16 Dual Valve Springs for performance GM LS engines have an installed height of 125 lbs. @ 1.800 in. and will let the engine's camshaft perform as intended. Check with the camshaft manufacturer for required pressures and height.
Part TypeValve Spring
BrandMELLING
Package Height4.3
Package Width4.8
Package Length5.6
Weight3.15 PG
Part CategoryReplacement Parts
Coil Bind Height1.102 in.
Inside Diameter0.676 in.
Installed Pressure125.4 psi
Spring TypeDual Spring
Part FitmentDirect Fit
Outside Diameter1.295 in.
Installed Height1.8 in.
Open Pressure370 psi
Spring Open Height1.15 in.
Grade TypePerformance
Camshaft TypeHydraulic Roller
Vendor Part Number46673-16
Package Qty1
Package TypeEA
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