Engines and Components Camshafts and Valvetrain

Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.036in O/A Length, 0.3415in Stem

$766.42

SKU: M004 11539-8

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

Advanced — 4+ hours

Description

SEVERE DUTY SERIES Superior Stainless for High Temperature Gasoline Engines Exhaust Material XH-428 with Double the Ultimate Tensile Strength ( at 1500 F ) over the competition Intake Material NK-844 with 1000 Times Better Fatigue Strength than competitors offerings. Exhaust Valve Severe Duty 1.600 in Head 0.342 in Valve Stem 5.036 in Long Stainless Small Block Chevy Set of 8.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 11539-8

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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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