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Exterior Components› Body Panels and Components
Cometic Gasket
Cometic Harley-Davidson 3.570in Stock Bore Evo .040 Head Gasket (Pair)
SKU: C006 C9745
Easy — 1–2 hours
Overview
The gasket's construction includes two outer Viton-coated spring steel layers and an inner steel support layer, promoting a secure seal and resisting creep, cracking, and brittleness. Manufactured in the USA, this gasket ensures long-term durability and consistent performance, making it suitable for rebuilds and performance upgrades.
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Part #: C9745
Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
.040in. MLS Cylinder Head Gasket | 3.750in. Gasket Bore. Pair
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
| Brand | Cometic Gasket |
| Part Number | C006 C9745 |
Videos
Cometic Gaskets presented by J&P Cycles.
Harley-Davidson MLS Head gaskets | Torque Values | Doc Harley
James Gaskets Product Review | Fix My Hog
Review and Install of the Cometic Gasket for The Harley Primary Cover.
Cometic MLS Head Gaskets
How-To: Leaky Rocker Box Gasket Fix on Harley-Davidson Sportster
Reviewing Cometic's MLX Head Gaskets
Harley Davidson Exhaust Gasket! How to install.
Harley Davidson Rocker Box Gaskets Replacement Made EASY
James Gasket Kits Buyers Guide for Harley at RevZilla.com
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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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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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