Engine Liner Tooling

JPT designs and manufactures precision engine liner tooling for automotive, diesel and industrial engine manufacturing applications. Our liner tooling is engineered for tight tolerances, superior bore finish, and long tool life in high-volume production environments.

What We Offer

JPT produces custom engine liner tooling including liner boring bars, liner finishing tools, and complete liner machining systems designed to your exact specifications. Our tooling systems are optimized for both cast iron and aluminum engine liner applications.

Why Choose JPT Engine Liner Tooling

Every engine liner tooling system we produce is custom engineered using premium carbide inserts and precision-ground tool bodies. Our engineering team works directly with engine manufacturers to develop solutions that improve bore finish quality, reduce cycle time, and extend tool life.

JPT engine liner tooling serves automotive OEMs and Tier 1 suppliers producing gasoline, diesel, and alternative fuel engines. With over 50 years of special indexable tooling experience, Joint Production Technology delivers liner tooling solutions that improve quality and reduce per-part costs.

Contact JPT today to discuss your engine liner tooling requirements.


Tooling for Cylinder Head Liner

(Automotive, Truck, Gas, Diesel)

  • Tool Blocks.
  • Micro-Adjustable Tool Blocks.
  • Tool Setting Gages.
  • Much, much more…


Special Options

Product Features & Capabilities

  • Quick Change Tooling that is Preset off the machine for maximum uptime.
  • Quick Changeable for “Family of Parts” simultaneous production.
  • HSK Tool Shanks.
  • ISO Standard Inserts incorporated whenever possible.
  • ISO Standard Cartridges incorporated whenever possible.
  • Coated Carbide, CBN or PCD tipped inserts for maximum tool life.
  • DFC™ Surface Treatment for Friction reduction and Corrosion Resistance.
  • Coolant Available Through the Tool.
  • Repair Services.

Request a Quote

Have a new project or tooling challenge? Let’s talk. Our team is ready to help you find the most cost-effective solution for your specific application.

  • JPT Whitepapers


    Learn how cycle time reduction using the JPT Way can help increase profitability in this informative white paper.

  • The JPT Difference

    50+ Years Engineering Excellence – in Tooling & Component Manufacturing
    Backed by decades of experience, JPT delivers proven precision tooling solutions engineered for demanding machining applications.

    20+ Countries w/ Active Clients & Installations
    JPT supports manufacturers worldwide, delivering tooling solutions across global production environments.

    Millions of Components & Tools Delivered Annually
    From prototype to high-volume production, JPT tooling is built to perform consistently across large-scale manufacturing runs.

    ISO 9001:2015 Certified & Aerospace-Compliant Facility – Built for Quality, Certified to Perform
    Every process follows ISO 9001:2015 Certified standards, ensuring repeatable quality and precision across critical applications.

    Custom-Engineered Solutions
    Each tool is designed to meet exact specifications, solving complex machining challenges with precision and efficiency.

    Confidentiality & Supporting Solutions – Trusted by Tier 1 suppliers & OEMs
    JPT operates as a trusted partner behind the scenes, supporting Tier 1 suppliers and OEM production lines with proprietary solutions.

    Low-Volume Part Production – Ideal for prototyping, spares, and specialty defense projects
    Flexible production capabilities support everything from prototype development to specialized low-volume applications.

    Application-Specific Engineering & Tool Design – Engineered for your exact part geometry
    Every solution is engineered around your part geometry to optimize accuracy, cycle time, and performance.

    Advanced Tool Life Optimization – More uptime, fewer changeovers.
    Optimized tool design and materials extend tool life, reduce wear, and maximize uptime in production environments.

    Made in the USA – Built with pride, precision, and speed.
    Manufactured in the U.S., JPT tooling combines precision craftsmanship with fast, reliable delivery.

    Custom & Standard – Tailored solutions for your needs, ranging from custom indexable cutting tools to standard designs.
    From fully custom tooling to standard solutions, JPT offers a broad range of options to match your manufacturing needs.

    Fast Turnaround Times – Minimize downtime & maximize productivity.
    Streamlined engineering and manufacturing processes help reduce lead times and keep production moving.

    Have a new project or tooling challenge? Let’s talk. Our team is ready to help you find the most cost-effective solution for your specific application.

    The JPT Way

    Most tooling problems aren’t solved by buying off the shelf. They’re solved by understanding the application, the machine, and the process — then engineering the right solution.

    Cutting tools. Fixturing. Complete production solutions. That’s been the JPT way since 1971. No catalogs. No guessing. Just engineering.