Terms & Conditions


All orders must be paid in advance with a VISA or MASTERCARD. Orders must be placed by the cardholder. Please have your card number and expiration date ready when placing an order.


All prices and terms are subject to change without notice.


The ShopEngineParts.com, Inc. logos, marks and product images are the property of ShopEngineParts.com, Inc. and may not be used in ANY manner without prior written consent. This website also contains images of sponsored riders, which we have permission to use. These images are the property of the respective person and written consent must be obtained to use these images. The remaining content of this website such as text, phrases, videos, images, icons, and any other items that represent the “look and feel” of the ShopEngineParts.com, Inc. website are protected under U.S. and international copyright laws and may NOT be used for any reason.


The term "Harley-Davidson" and various model designations of Harley-Davidson, Inc. are solely used for reference and fitment purposes. No affiliation exists between ShopEngineParts.com, Inc. and Harley-Davidson, Inc., and the use of any trademarks or other proprietary designations of Harley-Davidson in this site should not be construed as indicating sponsorship or official approval by Harley-Davidson, Inc. of ShopEngineParts.com, Inc. or ShopEngineParts.com products. Likewise, the mentioning of any other manufacturer or model on this website is for reference and fitment purposes only.

Shipping & Returns


All shipping charges are the customer's responsibility, including backordered items.


Add 7.0% Sales Tax on parts orders and labor received in Ohio only.


A $15.00 Service Charge is added to all accounts when a shipment is refused. All refused shipment charges must be paid in full before any future orders can be shipped.


All orders in which the gasket bore size and/or thickness are changed by the customer are considered custom orders. All custom orders are non-returnable.

All prices, terms and availability subject to change without notice


In order to maintain a timely order process and delivery no order cancellations or add-on orders will be accepted. All calls to add-on to an order will be treated as a separate order.


(440) 853-2332 M-Th, 8:30 a.m. - 5:30 p.m. EST, F, 8:30 a.m. - 5:30 p.m. EST

Technical Support

Q: Can MLS head gaskets be used with motors setup with o-rings or receiver grooves around the cylinder bores?

No. MLS head gaskets require smooth, flat and true head and deck surfaces to seal. Most of the time with o-ring setups the wire and groove fall where our gasket’s combustion seal is located; therefore, the wire will hold the gasket and not allow proper compression while the receiver grooves allow combustion gases to escape.

Q: What surface finish is required to us an MLS head gasket?

A surface finish of 50 RA (roughness average) or finer, is recommended for a proper gasket seal. Anything rougher may conflict with the gasket design.

Q: What head bolt/stud torque do you recommend when using an MLS gasket?

When using MLS head gaskets always refer to the manufacturer of the fastener to determine accurate torque values. Appropriate torque is critical when installing new gaskets of any kind.

Q: Why does ShopEngineParts.com recommend MLS gaskets to be installed dry?

ShopEngineParts.com Multi-Layer Steel (MLS) head gaskets go on dry because they are coated with a sealant. Each MLS head gasket is coated with a .001" thick Viton rubber that is bonded to the outer stainless steel layers. Adding an additional sealer can hinder the performance of an MLS head gasket.

Q: Can I order head gaskets with a different thickness and/or bore size than you have in your catalog?

Yes. Call ShopEngineParts.com with the engine type or ShopEngineParts.com standard part number (search online or in our catalog) along with the bore size and thickness you would prefer and we will create your custom gasket. (440-853-2332)

Q: Does ShopEngineParts.com offer more than just head gaskets?

Absolutely! ShopEngineParts.com has the capabilities to make every gasket and seal needed to overhaul nearly any type of engine. We offer Rubber Molded Valve Cover Gaskets, intake, exhaust, timing cover, oil pan, rear main seals, valve stem seals, carburetor gaskets, and much more!

Customer Service

Q: How do I return a gasket or gasket kit? What is an RGA number?

As stated on all ShopEngineParts.com invoices returns must be authorized and issued an RGA number. To obtain an authorized RGA number please contact our Returns Department or fill out our RGA Form. Only catalog / stock items can be returned (custom gaskets are non-returnable). All returns will incur a 25% restock charge. Returns are not accepted after 30 days from invoice date. RGA stands for Return Goods Authorization. All authorized returns entering the building must include this number on the outside of the package in order for the shipping department to receive and properly process.

Q: How long will it take to get my order?

Most gaskets are manufactured as they are ordered due to the vast amount of custom gasket applications that are offered. Once an order is received it usually takes approximately 3 business days for that order to ship. Please keep in mind that orders placed outside of normal business hours will be processed the next business day.



Online orders will be shipped based on the customers choice at checkout. We (do not) ship to P.O. boxes. Please contact us if you are interested in an expedited shipping on your order.


Shipping delay can occur when the wrong address or zip code is submitted for the shipping address. If the shipping company can not deliver the package we will contact you via phone or email.

During the holiday season shipping delivery may vary.


If an item needs to be returned the shipping fees are the customer's responsibility. Amount of refund will be based on the purchase price of your product.


We do not ship to Alaska and Hawaii.


We do not ship outside the USA.

Warranty Disclaimer

Q: Venue

The agreed upon venue, in the event of any dispute whatsoever between the parties, whether instituted by either party, including, but not limited to, contract terms, payment terms, delivery, type, defects, sufficiency of product, shall be the Court of Common Pleas, Lake County, Ohio or the Painesville Municipal Court, Lake County, Ohio, depending on the amount in controversy.  This agreement shall be governed by and construed under the laws of the State of Ohio.

All prices and terms are subject to change without notice.

Q: Terms

VISA and Mastercard accepted. COD-Company check with a current credit card number on file. Open accounts may be established by well rated firms. A credit application is available upon request. Open accounts are due payable Net 30 days from date of invoice. No statement will be sent. If account becomes 60 or more days past due, it is subject to being placed on credit hold. No orders will be shipped or new orders accepted until past due balance is paid. If an account becomes 90 or more days past due, it is subject to being placed for collections. All costs of collection are the responsibility of the customer, including attorney fees, court costs, and other expenses of litigation.

Q: Returns

Authorization (RGA) must be obtained in advance on all returns. A packing slip or invoice must accompany the merchandise.  No returns after 30 days from invoice date.  All returns subject to a 25% restocking charge. All custom designed and custom manufactured gaskets are non-returnable.

Only catalog parts are returnable.

Review your invoice and notify us immediately of any incorrect or inaccurate information.  Shortages must be reported within 10 days.

Privacy Policy


This Privacy Policy applies only to this Site. Although this Site may provide you with links to other websites, this Privacy Policy does not cover those websites. Whenever you link to a website from this Site (including whenever you click on a banner ad on this Site), you are solely responsible for any interactions you may have with that website.


This Site is not intended for use by children under the age of 18. We will not knowingly collect personally identifiable information from Site users in this age group.


At various points on this Site, you might choose to actively provide certain kinds of information, including personally identifiable information, such as full name, address, phone number, e-mail address, etc. We typically will indicate which information is required and which is optional at the information collection point in question. In any case, by submitting information via an active information collection point at this Site, you specifically consent to the collection, use, and disclosure of such information in accordance with this Privacy Policy.

Active information collection points at this Site may include:

Q: E-Mail Reply Mechanisms

This Site may provide you with one or more e-mail reply mechanisms through which you may send us questions or comments. Information you provide to us via such e-mail reply mechanisms is typically all-optional. We may retain whatever information you submit in your e-mail, including your name, e-mail address, and any comments or other information that you send via the e-mail reply mechanism. Because e-mail submitted via this Site is not protected by the same security measures we use in other areas where we actively collect information, you should be particularly careful in deciding what information you wish to send to us via e-mail.

Q: E-Mail Newsletters

We may ask you to provide your e-mail address so that you can receive e-mail newsletters about us, our Site, our products and services, and other topics of interest.


This Site allows you to purchase some of our products online. As a result, we gather certain personally identifiable information (e.g., your name and address) and financial information (e.g., your credit card number) to process your order. We may: (1) retain this information to create an account for later use (so that you do not need to re-enter the information for each subsequent order); and (2) group your de-identified information with that of other Site users to provide information to us about group purchasing and preferences.


As indicated above, we use information we collect from you via this Site for a variety of purposes.

In addition to the purposes specified above, we may use your personally and nonpersonally identifiable information to tell you about new products and services or other information we think may be of interest to you. If you do not wish to receive such notifications or updates, we will tell you how to contact us.

We may also use the information we collect from you via this Site for internal marketing and research purposes and to improve the content of our website.

Notwithstanding anything to the contrary in this Privacy Policy or elsewhere on this Site, we reserve the right to share or transfer your information to another person or company in connection with the sale, assignment, or other transfer of the business of this Site or where required by applicable law, statute, regulation, ordinance, or court order.


We take reasonable measures to ensure that personally identifiable information that we collect from you via this Site is accurate, current, complete, and reliable for its intended uses. If you wish to update or otherwise correct personally identifiable information you have provided to us, you may contact us as described below in the "Contact Us" section.

We will make reasonable efforts to respond to your inquiry, but we may require follow-up or contact information to allow us to verify that you are the person authorized to view the information you are requesting. We may, in our discretion, refuse to allow you access to certain information if, in our view, to provide such access would jeopardize another person's privacy; would violate any applicable federal, state, or foreign law, regulation, or directive; or would unreasonably burden this Site.


Although we take reasonable steps to protect personally identifiable information you provide via this Site from loss, misuse, or unauthorized alteration, no system is 100% secure or error-free. Therefore, we do not, and cannot, guarantee the security or accuracy of the information we collect via this Site, and you acknowledge that you are assuming the risk in transmitting any information to us.

We use the SSL (Secure Socket Layer) industry standard for encrypting all ordering data, including credit card transactions. SSL provides the highest level of security available today for web-based sales, using encryption technologies developed by Verisign, Inc., and RSA Data Security, Inc.

We also use Authorize.Net to process online credit card transactions. Authorize.net is a leading developer and provider of enterprise eCommerce transaction services, and a pioneer in the area of Internet fraud detection.

It is your responsibility to safeguard any username and password you use to access this Site and to notify us if you ever suspect that this username or password has been compromised. Where such username and password are specific to you (as opposed to being generic to anyone from your group accessing the Site), you acknowledge that you are solely responsible for any unauthorized use of this Site conducted via your username or password.


If at any time you have questions, comments, or concerns about this Privacy Policy, or the information practices of this Site, please contact us in one of the following ways:


Phone: (440) 853-2332, M-Th, 8:30 a.m. – 5:30 p.m. EST, F, 8:30 a.m. – 5:30 p.m. EST

We will take reasonable steps to respond to your inquiry and remedy any problems you may bring to our attention.