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Manley Performance

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 31mm Race Master Exhaust Valves

$270.06 $202.55 Save $67.51

SKU: M004 11617-8

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INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Manley Performance 11617-8 is an exhaust valve designed for Ford 4.6L and 5.4L SOHC 4-valve engines. It is constructed from XH-426 Stainless Steel for durability. This valve features chrome stems, hard tips, swirl-polished under-head areas, and fully machined combustion faces for optimal performance. Each valve has a 31mm head diameter and a 0.274-inch stem diameter.
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Part #: 11617-8

Manley s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

Features:

    • Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
    • Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
    • Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
    • Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
    • Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.

Manley Valve - Exhaust, Valve-FD MOD R/M 31mm.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 11617-8

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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