Engines and Components Camshafts and Valvetrain

Manley Performance

Manley 90-06 Mitsubishi (4G63-4G63T) 16pc Valve Springs (1.100/.775)

$139.40

SKU: M004 22125-16

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Description

The Manley Performance 22125-16 is a set of 16 single valve springs designed for high-revving Sport Compact engine applications. These springs are constructed from super clean chrome silicon high tensile strength steel alloy, treated with classified heat treatment and shot peen processing to ensure exceptional fatigue life and minimize load loss.

The springs feature an outside diameter of 1.100 inches and an inside diameter of 0.775 inches. They have a spring rate of 294 lbs/in, a seat pressure of 66 lbs at an installed height of 1.580 inches, and an open pressure of 269 lbs at an open height of 1.120 inches. The coil bind height is 0.950 inches, and they are rated for a maximum lift of .580".

Fitment

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Specifications

BrandManley Performance
Part NumberM004 22125-16

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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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