Engines and Components› Camshafts and Valvetrain

Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.265in O/A Length, 0.3415in Stem

$469.54

SKU: M004 11559-8

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

Easy — 1–2 hours

Description

The Manley Performance Race Flo 1.6in. exhaust valves are designed for Small Block Chevrolet engines. They are constructed from XH-426 Stainless Steel for durability. Features include 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.

Available on iOS & Android

Specifications

BrandManley Performance
Part NumberM004 11559-8

Videos

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

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

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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