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When crankshaft torsional vibrations occur
• Laser-hardened top ring grooves for increased piston durability
Designed for durability under loadEngineered for CAT C15
Original Price: $1785
PDI Big Boss Stage 2 Performance Kit for Cummins X15 and ISX CAT Tuner When crankshaft torsional vibrations occurKit Includes : Big Boss Performance Tuner with Mount Big Boss Performance Intake Manifold Big Boss Ceramic Coated Exhaust Manifold Exhaust Manifold Install Kit Stainless Spacer and Bolt Kit Available for: Cummins ISX15 & X15 Engines Warranty: 1 Year Unlimited Mile Warranty PDI Big Boss Performance Packages are put together with performance, efficiency, and savings in mind. The Stage 2 Performance Kit combines the popular Big Boss tuner with both our
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