Manley Valve Spring, SPRING-1.550 CHR SIL - 22430-16

The Manley Professional Series Valve Springs are engineered for serious performance builders and racers who demand reliable high-RPM control and long-lasting durability. Built from premium chrome-silicon and H-11 tool steels with precision heat treatment and shot-peening, these springs deliver robust tension and fatigue resistance across demanding applications ranging from oval track to the drag strip. Designed to maintain consistent spring pressure and minimize valve float under extreme load, they help keep your engine responsive and controlled when it matters most

Features

• Chrome silicon material
• Designed for oval track and drag racing

Specs

• Manley Valve Spring, SPRING-1.550 CHR SIL
• Product Market: Domestic
• Average Gram Weight: 156
• Product Type: Engine Valve Spring
• Outer Diameter of Outer Valve Spring: 1.550
• Inner Diameter of Outer Valve Spring: 1.130
• Inner Diameter of Inner Valve Spring: 0.725
• Valve Spring Quantity: 16
• Valve Spring Series: Professional Series
• Valve Spring Material: Chrome Silicon
• Valve Spring Type: Double
• Valve Spring Coil Bind Height: 1.200
• Valve Spring Rate: 484
• Installed Pressure and Height: 210 @ 1.900
• Open Pressure and Height: 525 @ 1.250
• Industry: Automotive
• Out of Stock Message: Call for Availability
• Title: Manley Valve Spring, SPRING-1.550 CHR SIL
• Prop 65 Yes/No: Yes
• Prop 65 (C, R or CR): CR
• Prop 65 - Short Label: Prop 65 Warning Label.JPG
• Engine Type: ICE