Sale

Cometic

MLS Head Gasket 83mm Bore 0.04"

$102.14 $99.99 Save $2.15

SKU: C8657

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Cometic C8657 is a premium Multi-Layer Steel (MLS) head gasket engineered for high-performance applications. Featuring an 83mm bore and a 0.40" thickness, this gasket is designed to provide a robust seal for engines that have undergone significant modifications, such as increased displacement. Its MLS construction offers superior strength, resilience, and resistance to corrosion, ensuring reliable performance under demanding conditions. This particular gasket is specified for use with standard stud sizes. It is explicitly designed for the GSX1300R Hayabusa model, covering years 1999 through 2019. The C8657 part number ensures a precise fit for these specific Suzuki motorcycles.

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

BrandCometic
Part NumberC8657
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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