Top End Gasket Kit

Moose can now handle all your gasket and seal needs at a fraction of OEM cost

High-tech materials provide unmatched reliability and performance

Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit

Oil seals are genuine OEM replacement seals

All gaskets made in the U.S.A.

Cost-effective way to raise compression without expensive high-compression pistons or cylinder head work
Performance sets designed for a piston replacement
Made in the U.S.A.
Top-end gasket sets include high-performance head, base, intake and exhaust gaskets
High-compression kits use .012" thick base gaskets to raise compression

Valve seals also included
Do not include head cover gaskets
Made in the U.S.A.
Sets include all gaskets necessary to rebuild the entire engine and transmission

Modern 4-strokes now include reusable head cover gasket unless noted (see footnote on application chart)
Sets include all gaskets and oil seals necessary to rebuild the entire engine and transmission. Valve seals also included
Made in the U.S.A.

Made in the U.S.A.
Sets include all oil seals necessary to rebuild the entire engine and transmission

These individually sold gaskets are great when replacing a clutch or to seal a leaky ignition cover
Made in the U.S.A.

Made in the U.S.A.
Also known as valve cover gaskets, these are the thick molded rubber reusable gaskets your OEM charges an arm and a leg for
Available separately and included in complete gasket sets with oil seals (where noted)
Another way Moose Racing helps our customers have the option to buy just the gasket they need

Handling time on all items is 1 business day. Business days are Monday - Friday excluding holidays.
Orders are processed daily at 10am EST Monday - Friday, this means if you place your order after 10am EST your order will not be processed until the following business day.

Free shipping on most items unless otherwise stated to the lower 48 states. Additional charges for Alaska, Hawaii, Puerto Rico and Guam may apply.
We reserve the right to change shipping carrier based on location or for combined orders. This is to ensure your package gets to you as quickly and as well packaged as possible. Our inventory is constantly updating and changing, we do our best to keep it as accurate as possible. However, in some instances seasonal items sell very fast and can be subject to temporary delays. In the case this happens, we place your parts on an emergency restocking order and the item will generally ship within 1 business day. In the event of a prolonged delay we will make our best effort to contact and notify you of such delays.
ETA's provided by MX Locker are ESTIMATED TIMES, we aim to get you your order within these time frames however some unforeseen circumstances do arise. We will do our best to work with you to get you your item as fast as possible.

We ship worldwide. Limitations due to manufacturer's restrictions on some items may apply
The shipping costs do not include duty or import taxes so please check before you purchase an item
All international items will ship via USPS Priority Mail International or USPS Express Mail International for addition fee
Shipping times will vary depending on the country the item is being shipped to

We do our best to combine shipping on orders. If you wish to ensure that multiple items you have purchased are combined please send us a message.

We offer 30 day free returns!
Returns must be in NEW/UNUSED condition in ORIGINAL PACKAGING
If the part is used there is a possibility that you will not receive a full refund, as we do have to resell the item
Electrical parts are NOT returnable
All Returns must be authorized by us and you will get a RMA number to put on the outside of the box
If an exchange needs to be made we will gladly work with you, however you must pay for shipping to return item AND shipping to get the new item to you
In the event that we make a mistake, they do happen occasionally (we are sorry), we will cover shipping costs to get you the correct item