Engines and Components› Camshafts and Valvetrain

Manley Performance

Manley thru 08 Chevy Hemi 5.7L w/ Bead Loc Groove 1.575in Race Master Exhaust Valves (Set of 8)

$484.02

SKU: M004 11667B-8

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Description

The Manley Performance 11667B-8 is a set of Race Master exhaust valves designed for HEMI 5.7L engines. Constructed from XH-426 Stainless Steel, these valves offer enhanced durability with chrome stems and hard tips for increased longevity and wear resistance.

They feature swirl-polished under-head areas and fully machined combustion faces to optimize airflow and combustion efficiency. The valves have a 1.575" head diameter and a 0.3125" stem diameter, with a stock installed height and an overall length of 4.845".

Fitment

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Specifications

BrandManley Performance
Part NumberM004 11667B-8

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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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