Manley Valve Spring, SPRING-1.437 DOUBLE
The Manley Street Master series delivers upgraded valve springs and components designed specifically for street-driven performance builds. Made from high-tensile chrome silicon steel with precision shot-peening and heat treatment for long life, Street Master parts offer improved valve control, reduced stress, and dependable performance over factory components. Ideal for naturally aspirated and mildly modified engines, these components give you stronger valve-train stability and smoother operation for spirited street driving without race-only complexity.
The Manley Street Master series delivers upgraded valve springs and components designed specifically for street-driven performance builds. Made from high-tensile chrome silicon steel with precision shot-peening and heat treatment for long life, Street Master parts offer improved valve control, reduced stress, and dependable performance over factory components. Ideal for naturally aspirated and mildly modified engines, these components give you stronger valve-train stability and smoother operation for spirited street driving without race-only complexity.
- Chrome silicon material
- Designed for low stress and long service life
Information:
Manley Valve Spring, SPRING-1.437 DOUBLE.| Attributes | |
| Average Gram Weight | 121, 121 |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Category Hierarchy | Valve Springs & Kits, Valve Springs & Kits>Street Master |
| Country of Origin (Primary) | CA |
| EBAY Category ID | 262140 |
| Emission Code | Off Road |
| Engine | Big Block, Small Block, Big Block, Small Block |
| Engine - Web | Big Block, Small Block, Small Block, Big Block |
| Engine Detail - Web | Big Block, Small Block, Big Block, Small Block |
| Engine Family | Small Block, Big Block, Small Block, Big Block |
| Engine Type | ICE, ICE |
| Hazardous Material Code | N |
| Industry | Automotive, Automotive |
| Inner Diameter | 0.720 |
| Installed Pressure and Height | 135 @ 1.800, 135 @ 1.800 |
| Life Cycle Status Code | Available to Order |
| Make | Chevrolet, Chevrolet |
| Make - Web | Chevrolet, Chevrolet |
| Open Pressure and Height | 385 @ 1.200, 385 @ 1.200 |
| Out of Stock Message | Call for Availability, Call for Availability |
| Outer Diameter | 1.437 |
| Product Market | Domestic, Domestic |
| Product Type | Engine Valve Spring, Engine Valve Spring |
| SDR Required Flag | N |
| Title - Web | Manley Valve Spring, SPRING-1.437 DOUBLE, Manley Valve Spring, SPRING-1.437 DOUBLE |
| Valve Spring Coil Bind Height | 1.085, 1.085 |
| Valve Spring Inner Diameter | 0.720, 0.720 |
| Valve Spring Material | Chrome Silicon, Chrome Silicon |
| Valve Spring Outer Diameter | 1.437, 1.437 |
| Valve Spring Quantity | 1, 1 |
| Valve Spring Rate | 418, 418 |
| Valve Spring Series | Street Master Series, Street Master Series |
| Valve Spring Type | Double, Double |
| Warranty Time | 30 |
| GTIN | 00807298046624 |