Engines and Components› Cylinder Heads and Components

Cometic

MLS Head Gasket .040-Inch 89mm Bore

$201.12

SKU: C4580-040

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Special Order
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$100 Minimum Order
30 Days Return
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Overview

The Cometic C4580-040 is a Multi-Layer Steel (MLS) head gasket designed for Nissan L28 and L28E engines. It features a .040-inch thickness and an 89mm bore size.
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The Cometic C4580-040 head gasket is constructed from Multi-Layer Steel (MLS) for superior sealing capabilities in high-output engine applications. This specific gasket is designed with a .040-inch thickness and an 89mm bore, tailored for Nissan L28 and L28E engines. They are known to withstand higher combustion pressures and temperatures, making them suitable for demanding engine builds. The C4580-040 is specifically listed for 1975-1978 Nissan 280Z and 1979-1980 Nissan 280ZX models.

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

BrandCometic
Part NumberC4580-040
CategoryEngines and Components
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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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