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Engines and Components› Camshafts and Valvetrain

Manley Performance

Manley Nissan SR20DE/SR20DET Valve Spring and Retainer Kit (w/o Valve Locks)

$363.33 $345.16 Save $18.17

SKU: M004 26165

In Stock
In Stock
Ships by Aug 6
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 26165

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

Max Lift: .540? - Spring: 22165-16 - Titanium Retainer: 23165-16

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Manley Pro Series Spring and Retainer Kits are matched sets perfect for your high revving Sport Compact. Valve springs are made from super clean chrome silicon high tensile strength steel alloy with classified heat treatment and shot peen processing for ultimate fatigue life and limit load loss. Titanium retainers are manufactured on dual spindle CNC machines to exacting tolerances from rugged and certified, heat treated aerospace grade titanium bar stock. Retainer angles are held to within 6’ (minutes) and installed heights are held to within .005”. Titanium retainers allow for higher engine speeds and avoid valve float without sacrificing reliability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandManley Performance
Part NumberM004 26165

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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