Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![466454 Single Valve Spring for Chevy Small Block Engines [1.259 in. O.D.]](https://www.jegs.com/images/mini_750/600/689/689-466454.jpg)
Vehicle Info NeededMELLINGPART NUMBER: 689-466454
466454 Single Valve Spring for Chevy Small Block Engines [1.259 in. O.D.]
$899
Ships on 09/09/2026
Lowest Price GuaranteeSprings by Application
Performance Single Valve SpringInstalled Load/Height: 130 lbs. @ 1.720 in. Open Load/Height: 315 lbs. @ 1.174 in. O.D. 1.259 in. I.D. 0.885 in. Coil Bind: 1.113 in. Chrome Silicone Sold Individually
Valve Spring Installation Notes
Melling 466454 Performance Valve Spring Technical Specifications:
- Dimensions are compatible with Chevy Small Block engines
- Closed Pressure: 130 PSI
- Coil Bind Height: 1.113 in. (28 mm)
- Inside Diameter: 0.885 in. (23 mm)
- Installed Height: 1.720 in. (44 mm)
- Installed Pressure: 130 PSI
- Open Pressure: 315 PSI
- Outside Diameter: 1.259 in. (32 mm)
- Spring Closed Height: 1.720 in. (44 mm)
- Spring Open Height: 1.174 in. (30 mm)
- Spring Type: Performance Single Spring
- Material: Chrome Silicone
Part TypeValve Spring
BrandMELLING
Package Height1.5
Package Width3.5
Package Length3.85
Weight0.155 PG
Part CategoryPerformance Parts
Coil Bind Height1.113 in.
Inside Diameter0.885 in.
Installed Pressure130 psi
Spring TypeSingle Spring
MaterialChrome Silicon
Outside Diameter1.259 in.
Installed Height1.72 in.
Open Pressure315 psi
Spring Open Height1.174 in.
Grade TypePerformance
Vendor Part Number466454
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
PROFORM
Rimac Big Blue Valve Spring Tester - 0-1,000 lbs.-in. Capacity
Part Number : 778-BB1000
$1,00695
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
![W89409 Valve Spring Compressor [C-Style]](https://www.jegs.com/images/mini_200/500/555/555-w89409.jpg)
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
JEGS
Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)
Part Number : 555-80502
$1777$20.99
You Save$3.22
JEGS
Valve Seal Installation Tool Works with 0.500" & 0.531" PC valve stem seals
Part Number : 555-80596
$4039$43.99
You Save$3.60
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
JEGS
Cam Bearing Tool Set for Installation & Removal of Camshaft Bearings
Part Number : 555-80597
$19599$212.99
You Save$17.00
PROFORM
Part Number : 778-BB1000
$1,00695
Some parts are not legal for use in California or other states with similar laws / regulations
