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CSP2026

Manley 26185 - Subaru WRX/STi .490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)

Manley  |  SKU: BBPB-26185
Sale price $53299 Regular price $56104

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PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Manley 26185 - Subaru WRX/STi .490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)

Manley Sprng/Retnr Kit - Subaru WRX/STI - Locks NOT Included

Max Lift: 0.510" - Spring: 22185-16 - Titanium Retainer: 23185-16

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.

  • 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
Engine: EJ20 / EJ25
Stem Diameter: 6.00
Valve Stem Diameter: 6.00
Product Type: Valve Spring Kit
Valve Spring Outer Diameter - Top: 0.856
Valve Spring Inner Diameter - Top: 0.560
Valve Spring Outer Diameter - Bottom: 1.046
Valve Spring Inner Diameter - Bottom: 0.750
Valve Spring Quantity: 16
Valve Spring Coil Bind Height: 0.860
Valve Spring Rate: 330
Valve Lift - Stock: 0.370
Valve Lift - Maximum: 0.510
Installed Pressure and Height: 95 @ 1.420
Open Pressure and Height: 264 @ 0.910
Valve Spring Retainer Step Height: 0.095
Valve Lock Angle: 6
Engine Type: ICE
Make: Subaru

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