Big Bore Cylinder Services



Increasing engine power and durability requires more than a high production factory-finished bore. The Engine Experts at Zipper’s have over 4 decades of precision sizing and finishing honing to provide a perfect custom fit, with optimum ring seal to assure your engine makes power.

Zipper’s has custom pistons built to our demanding specifications in stock, all designed for maximum performance. We also stock the most popular shelf brand pistons in all available sizes to be precision sized to your cylinders.

Contact us with your needs.

Click here to complete a Services Inquiry Form, and a Zipper's Representative will be in contact with you.