Engines and Components Camshafts and Valvetrain

Manley Performance

Manley 90-00 Mitsubishi Eclipse GS GST 2.0L (4G63-4G63T) DOHC 16 Exhaust 31.5mm Stainless Race Flo

$51.66

SKU: M004 11135-1

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Description

The Manley Performance Race Flo 31.5mm Exhaust Valve is designed for high-performance Mitsubishi 4G63 and 4G64 engines. Constructed from durable XH-426 Stainless Steel, it features chrome stems and hard tips for enhanced longevity and wear resistance.

This valve is engineered with swirl-polished under-head areas and a fully machined combustion face to optimize airflow and combustion efficiency. Its specifications include a 31.5mm head diameter, 6.54mm stem diameter, and an overall length of 109.7mm.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 11135-1

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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