Engines and Components› Camshafts and Valvetrain

Manley Performance

Race Flo 34mm Intake Valve

$211.14

SKU: 11104-8 / 11103-8

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Overview

The Manley Performance Race Flo valves are high-performance engine components designed for the 1990-1999 Mazda Miata with the 1.8L BP056 DOHC engine. These intake valves are constructed from NK-842 Stainless Steel, featuring chrome stems and hard tips for enhanced durability and wear resistance.

They boast swirl-polished under-head areas and fully machined combustion faces to optimize airflow and combustion efficiency. The valves have a 34mm head diameter and a 6mm stem diameter, with an overall length of 101.35mm.
Show original supplier description
The Manley Performance Race Flo valves are precision-engineered components designed to enhance the performance of 1990-1999 Mazda Miata models equipped with the 1.8L BP056 DOHC engine. Each valve is meticulously crafted from NK-842 Stainless Steel, a material chosen for its exceptional durability under demanding conditions. To ensure longevity and resistance to wear, these valves feature chrome-plated stems and hardened tips. The design incorporates swirl-polished under-head areas and fully machined combustion faces, which are critical for optimizing airflow dynamics and improving combustion efficiency within the engine cylinder. This attention to detail in design and material selection contributes to increased engine performance and reliability. Key specifications for these intake valves include a 34mm head diameter, a 6mm stem diameter, and an overall length of 101.35mm. Other measurements include a 3.5mm tip length, a 17° dish top of head, a margin of .050", and a seat width of .075". The underhead angle/radius is specified as Pro Flo: 22°x5/16”. Each set includes 8 valves. As with any performance engine component, professional installation is recommended to ensure proper seating and function, maximizing the benefits of the upgrade. A limited manufacturer's warranty is included with the purchase.

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.

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Specifications

BrandManley Performance
Part Number11104-8 / 11103-8
CategoryEngines and Components
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