Engines and Components Camshafts and Valvetrain

Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.565in O/A Length, 0.3415in Stem

$636.03

SKU: M004 11767-8

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

This set of eight Manley Performance 11767-8 Severe Duty Exhaust Valves is designed for Small Block Chevy engines. They feature a 1.600" head diameter, 0.3415" stem diameter, and are 0.600" longer than stock height. Constructed from XH-428 stainless material with chrome stems and hardened tips, these valves are swirl polished and fully machined for optimal performance and durability. Manley Severe Duty valves are engineered for bracket, oval track, and high-performance street engine applications, offering significantly improved fatigue life compared to other options.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 11767-8

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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