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Polaris Machining Service with Top End Kit
This listing is for Cylinder boring services and Namura TopEnd Repair Kit

   Your Responsibility

  • Your cylinder must have enough room in the sleeve to machine to the next oversize.

  • If the sleeve in your cylinder is already bored to the max size, we offer a re-sleeve service for an additional fee.

  • Call us to discuss details.

  • Remove the gasket material from the bottom of the cylinder prior to mailing it in.

  • We charge $15.00 for gasket removal fee.

  • Include a copy of your purchase for us to identify who you are.


How it Works:

  • Ship your cylinder to address below.

  • Fill out job form below and send it with cylinder

  • Include name, email, telephone #, CC # etc, so we can identify who you are

  • Year make and model of your cylinder

  • We’ll inspect, bore and hone your cylinder to match the next oversize piston

  • In some cases the next size may be out of stock so we may need to bore two sizes over

  • We’ll supply a matching Namura oversize piston, rings, clip, Top End gaskets, bearing

  • Cross hatch finish for better oil flow

  • Cylinder will be ready to bolt on

Accurate Cylinder And Sleeve Works

613 Mosswood Dr, Conroe, TX 77302

Polaris Cylinder Boring Service with Namura Top End Kit
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