Manley Subaru WRX/STi Valve Spring and Retainer Kit (w/o Valve Locks) (16 each) - 26180

Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.

Features

• Includes matched Valve Springs, Retainers, and Locks (if part number ends in "K"). Spring Locators included in some applications.
• Designed to handle aftermarket camshafts and up to 10,000 RPM
• Heat treated aerospace grade titanium retainers CNC machined to exacting tolerances
• Includes 7 Machined Valve Locks manufactured from the premium quality heat treated steel

Specs

• Max Lift: 0.525"
• Spring: 22180-16
• Titanium Retainer: 23180-16
• Manley Sport Compatct Valve Spring and Retainer Kit
• Product Market: Sport Compact
• Stem Diameter: 6.00
• Valve Stem Diameter: 6.00
• Product Type: Valve Spring Kit
• Valve Spring Outer Diameter: 1.050
• Valve Spring Inner Diameter: 0.755
• Valve Spring Quantity: 16
• Valve Spring Coil Bind Height: 0.845
• Valve Spring Rate: 245
• Valve Lift - Stock: 0.370
• Valve Lift - Maximum: 0.525
• Installed Pressure and Height: 60 @ 1.420
• Open Pressure and Height: 187 @ 0.985
• Valve Spring Retainer Step Height: 0.100
• Valve Lock Angle: 6
• Industry: Automotive
• Out of Stock Message: Call for Availability
• Title: Manley Valve Spring & Retainer Kit - Subaru WRX/STI - Valve Locks NOT Included
• Prop 65 Yes/No: Yes
• Prop 65 (C, R or CR): CR
• Prop 65 - Short Label: Prop 65 Warning Label.JPG