Prox 21.5801 Piston Pin Bearing
"I trust MX Powerplay for their fast and professional service. Their website is easy to use, and the brand always delivers quality!"
- John Palmer
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ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition
High-quality cast piston made with dedicated tooling and molding
Made from hypereutectic alloy for extra strength and reduced expansion
Special dual-ring setup for improved durability and resistance to wear
Full MOS2 skirt coating for improved breaking in and resistance to scuffing
Anodized piston dome for increased protection against excessive heat
Usage of high-quality rings such as Riken for optimum heat transfer and sealing
Packed in a box containing piston, rings, pin, clips and top-end bearing
What shipping options are available?
Online orders will be shipped through FedEx, USPS, OnTrac, or other reputable shipping services based on what we determine to be the best option. We (do not) ship to P.O. boxes. Please contact us if you are interested in an expedited shipping on your order.
Do you ship outside of the USA?
No, unfortunately at this time we only ship to the lower 48 states in the USA.Do you ship to Alaska and Hawaii?
We (do not) ship to Alaska and Hawaii.
What could cause a shipping delay?
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.
How do I return an item?
Please fill our our RMA form. If you have an account, go to the order to fill out the form. If you don't it is under policies. Items can be returned within 45 days after purchase. Items must be in new/unused condition with all of the original packaging. Customers who make a mistake with their order are responsible for return shipping costs. Discounted return labels can be purchased. If we have made a mistake, please email with pictures of what you received including the part number and the year, make and model of your machine if applicableIs there a cost on returns?
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.