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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
PDI Big Boss CAT Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations
OEM Reference Part Number 1831156
It features 6 high-quality remanufactured injectors
Available for: Cummins ISX and X15 Engines 1999-2024
• (1) Main Bearing Set
PDI Big Boss Inframe Kit for Cummins ISX | 6429520 cummins components PDI Big Boss CAT StageBuilt For Serious Rebuilds. Trusted For Real World Work. The PDI Big Boss In Frame Overhaul Kit for Cummins ISX CM570 features laser hardened top ring grooves for extended piston life, DLC coated piston pins, and DLC coated top piston ringsengineered for reduced friction, superior wear resistance, and long term reliability. Rebuild with confidence. When your ISX engine needs an in frame refresh, the PDI Big Boss Overhaul Kit delivers premium internal
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