What does the 'EST' in the part number stand for?

EST stands for 'Engineered Sealing Technology.' This indicates Cometic's advanced approach to gasket design and material selection for optimal sealing performance under demanding conditions.

What is the bore size of this top end kit?

This Cometic EST Top End Kit features a 50mm bore size. It's important to ensure this matches your engine's requirements for proper fitment and performance.

Are any special tools required for installation?

Installation of a top end kit typically requires standard engine rebuilding tools. Refer to the manufacturer's installation instructions for a detailed list of recommended tools and procedures.

Specifications

Brand: Cometic Gasket
Part #: C7300-EST
UPC: 191070012724

Cometic 97-12 Honda XR, CRF 70 50MM Bore EST Top End Kit

Name: Cometic 97-12 Honda XR, CRF 70 50MM Bore EST Top End Kit
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-97-12-honda-xr-crf-70-50mm-bore-est-top-end-kit-t14-593521
Price: 76.33 USD
Availability: InStock

$76.33

Only 4 left in stock

Fits 2004-2012 Honda CRF70F. Cometic EST Top End Kit with 50mm bore for improved engine performance.

Key Features

Fits 2004-2009 and 2011-2012 Honda CRF70F, and 1997-2003 Honda XR70R.
Features a 50mm bore size for specific engine applications.
High-performance gasket materials are used to handle increased cylinder pressures and temperatures.
Proudly made in the USA with materials manufactured on American soil.
Designed to help maximize engine power and performance.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will it fit your car?

Fits these vehicles

Honda CRF70F 2004-2009, 2011-2012
Honda XR70R 1997-2003

About this part

Product Details

This is the Cometic EST Top End Kit for your 2004-2012 Honda CRF70F or 1997-2003 Honda XR70R. It's designed to handle the increased demands of modern, high-output engines, including higher cylinder pressures and extreme temperatures. Cometic builds these kits right here in the USA, using materials sourced domestically, so you know you're getting a well-built part.

The 50mm bore size is a key feature if you're looking to rebuild or enhance your engine's performance. These kits are made with high-performance gasket materials that help maximize your engine's power and keep it running strong under demanding conditions. Cometic is always updating their library, so you can trust they're keeping up with the latest in engine technology.