Cylinder Porting (2-Strokes) - $150 per cylinder

Includes:

  • Cleaning of cylinder
  • Intake port hand ported and polished for improved flow
  • Exhaust port hand ported and polished for improved flow

Diamond Hone Cylinder - $30 per cylinder

Includes:

  • Cleaning of cylinder
  • Precision honing cylinder using Sunnen diamond stones
NOTE: We can hone plated (Nikasil) or sleeved cylinders, 2-stroke or 4-stroke.

Cylinder Boring - $60 per cylinder

Includes:

  • Cleaning of cylinder
  • Boring cylinder to desired dimensions
  • Precision honing cylinder using Sunnen diamond stones
NOTE: We do not re-plate cylinders. We can only bore sleeved cylinders.

About JRD

JRD is a high performance racing development company. We specialize in cylinder head modifications and race engine builds, but also offer basic maintenance and performance services. With over 30 years of machining and racing development knowledge and experience, you can count on our products to meet your performance needs.

Contact

Johnson Racing Development
771 N Golden Key St, Suite A
Gilbert, AZ 85233, USA

480-559-1001

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