Engines and Components› Camshafts and Valvetrain

Supertech

Inconel Exhaust Valve Set

$514.95

SKU: SPTMAEVI-1204-8

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Overview

The Supertech Inconel Exhaust Valve Set is a set of eight high-performance valves designed for the Mazda Miata 1.8L engine. These valves are crafted from Inconel material, known for its durability and ability to withstand demanding engine conditions.

The set includes eight exhaust valves, ensuring a complete replacement for your vehicle's valvetrain. The product is identified by SKU SPTMAEVI-1204-8 and UPC 01037721244539.
Show original supplier description
The Supertech Mazda Miata 1.8L Inconel Exhaust Valve Set is a premium upgrade for enthusiasts seeking enhanced engine performance and reliability. This comprehensive set includes eight high-performance exhaust valves specifically engineered for the Mazda Miata 1.8L engine. Constructed from Inconel, a superalloy renowned for its exceptional strength, heat resistance, and corrosion resistance, these valves are built to endure the rigorous conditions of high-performance engines and ensure optimal longevity. The material choice of Inconel is particularly beneficial for exhaust applications due to its ability to withstand extreme temperatures and pressures, preventing valve failure and maintaining consistent performance under demanding operational loads. This product comes as a set of eight valves, providing a complete solution for the Mazda Miata 1.8L's exhaust valvetrain. The set is identified by the MPN MAEVI-1204-8 and SKU SPTMAEVI-1204-8. While the product page notes "No Fitment Data" and advises manual verification, the specific application for the Mazda Miata 1.8L is clearly stated in the product title.

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

BrandSupertech
Part NumberSPTMAEVI-1204-8
CategoryEngines and Components
5,000+ Trusted brands
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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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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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