Engines and Components Camshafts and Valvetrain

Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem

$951.60

SKU: M004 11725-8

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Manley Valve - Exhaust, Valve-E/D 1.625,+.400 is a top-notch component designed to enhance your engine's performance. Crafted for precision and reliability, this valve is perfect for those looking to upgrade their vehicle's exhaust system. It is ideal for specialized applications requiring extreme force and heat resistance, such as Top Fuel, Funny Car, and Marine Engine applications. Featuring XH-432 XtremeAlloy construction, chrome stems, hard tips, swirl polished underhead areas, and fully machined combustion faces.

Fitment

Fitment Guaranteed

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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.

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Specifications

BrandManley Performance
Part NumberM004 11725-8

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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