Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic 70-84 Harley-Davidson Shovelhead 4 Speed EST Complete Gasket Kit

$188.02

SKU: C006 C9964

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Special Order
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Description

Part #: C9964

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.

Complete EST Gasket Kit | 3.750in. Bore

MIA's Description

The Cometic C9964 is a complete engine gasket kit designed for specific Harley-Davidson models. This kit includes Multi-Layer Steel (MLS) head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals. It also features Aluminum Foam Material (AFM) race-style exhaust gaskets.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCometic Gasket
Part NumberC006 C9964

Videos

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Ecoboost Platform Performance MLS Head Gasket from Brian Crower and MAPerformance
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Head Gasket surprise on LSV engine
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Bikervation - Part 6 - Harley Sportster XL 1200R Rocker & Head Gasket Replacement /oil leak fix.
2002 Kawasaki KX125 Two-Stroke Garage Build Bike Rebuild

2002 Kawasaki KX125 Two-Stroke Garage Build Bike Rebuild
Cometic Gaskets presented by J&P Cycles.

Cometic Gaskets presented by J&P Cycles.
Review and Install of the Cometic Gasket for The Harley Primary Cover.

Review and Install of the Cometic Gasket for The Harley Primary Cover.
SEMA 2016: Cometic Gaskets at the Forefront of Gasket Technology

SEMA 2016: Cometic Gaskets at the Forefront of Gasket Technology
Reviewing Cometic's MLX Head Gaskets

Reviewing Cometic's MLX Head Gaskets
Harley Davidson Exhaust Gasket! How to install.

Harley Davidson Exhaust Gasket! How to install.
Cometic Gasket failure

Cometic Gasket failure
Cometic MLS Head Gaskets

Cometic MLS Head Gaskets

Buy with Confidence

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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