Exhaust› Exhaust Pipes, Systems and Components

Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem

$616.58

SKU: M004 11881-8

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In Stock
Ships by Jun 21
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Description

The Manley Performance 11881-8 is a set of eight exhaust valves from the Race Master series. These valves are constructed from XH-426 stainless steel and feature a 1.880-inch head diameter and a 0.3415-inch stem diameter. The overall length of the valves is 5.422 inches with a tip length of 0.250 inches.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 11881-8

Videos

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

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

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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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