Engines and Components› Camshafts and Valvetrain

Manley Performance

Manley Spring Cup .570in Locator ID 1.535in Locator OD 0.062in Thickness - for Manley 221432/221441P

$465.28

SKU: M004 42326-16

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
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Description

The Manley Performance 42326-16 is a set of 16 steel valve spring cups. These black, oxide-finished cups measure 0.062 inches thick, with an inside diameter of 1.550 inches and an outside diameter of 1.535 inches.

Fitment

Fitment Guaranteed

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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 42326-16

Videos

How To Install Dual Valve Springs - Texas Speed & Performance Dual Valve Spring Install

How To Install Dual Valve Springs - Texas Speed & Performance Dual Valve Spring Install
392 Hemi Swapped C10 Ep13 Installing Performance Valve Springs!

392 Hemi Swapped C10 Ep13 Installing Performance Valve Springs!
Manley Performance Factory Tour - Pistons, Connecting Rods, Valvetrain Manufacturing | RS Garage

Manley Performance Factory Tour - Pistons, Connecting Rods, Valvetrain Manufacturing | RS Garage

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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