The ATC 5299448 Anti-Polishing Ring & Piston Ring Compressor Kit is a comprehensive service tool kit designed for cylinder liner removal and installation on Cummins ISX / QSX engines that employ anti-polishing ring (APR) systems.
This kit includes:
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The ATC-7040 / PT-7040 5.400″ Piston Ring Compressor
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Components of the ISX anti-polishing ring removal / installer system
The kit provides the necessary tooling to handle both piston ring compression and safe removal/installation of anti-polishing rings without damaging the liners or rings.
Key Features & Benefits
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Dual-purpose: handles both piston ring compression and anti-polishing ring service for ISX engines
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Reduces risk of ring breakage or scuffing during installation
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Enables proper removal and insertion of APRs without damaging bore surfaces or liners
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Precision fit for Cummins 5.4″ (~5.400″) bore engines
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Durable construction for workshop and rebuild environments
Applications
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ISX / QSX engine rebuilds and overhauls
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Servicing APR-type liners (anti-polishing ring designs)
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Any job requiring precise piston and liner handling in heavy-duty Cummins engines
