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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Available for: 2017-2020 Cummins X15 High Hp Engines
PDI Big Boss CAT Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations
Available for: 2010 - 2024 Cummins ISX15 & X15 Engines
Manifold CARB EO# D773-2
PDI Big Boss Inframe Kit for Cummins ISX | 6429520 cummins components Available for: 2017-2020 Cummins X15Built 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
