Industrial Injection PDM-59RBB 5.9L Cummins CR Stage 2 Race Performance Builder Box Short Block Kit

The Industrial Injection PDM-59RBB is the 5.9L Cummins CR Stage 2 Race Performance Builder Box — an unassembled, fully machined, and blueprinted short block engine kit engineered for serious diesel performance builds. Designed for the hands-on builder, this kit ships everything needed to assemble a high-output short block, saving significant labor costs while delivering race-ready precision straight from the factory floor.

Industrial Injection uses premium upgraded components and exacting machining processes throughout every Builder Box, ensuring exceptional reliability and longevity for high-horsepower Cummins applications. The Stage 2 Race Builder Box is the top-tier short block option for builders running large injectors, big turbo upgrades, and demanding competition use.

Kit Includes:

• Machined block using plateau honer with torque plate
• Machined to blueprint spec
• Machine balanced crankshaft
• Carrillo billet rods with HD rod bolts
• Machine balanced, coated, chamfered, and fly-cut pistons and wristpins with rings
• Industrial Injection Stage 2 camshaft
• 14mm Gorilla girdle with custom ARP main studs (requires stamped oil pan)
• Billet freeze plugs
• Coated H Series main and rod bearings
• Premium Killer Dowel Pin kit
• Cam journals machined to accept performance cam bearings
• Cummins HD modified cam bearing set
• New Cummins oil cooler
• New Cummins oil pump
• New Cummins tappets
• New Cummins lower engine gasket kit

Important Notes:

• This is an unassembled short block kit — professional mechanical knowledge is required for assembly
• Does not include fuel or turbo components
• Requires Joe Gibbs Break-In Oil (not included) for the initial 300–500 miles after assembly
• A core charge applies — cores must be returned to Industrial Injection to receive the refund

The PDM-59RBB Race Builder Box represents Industrial Injection's commitment to precision diesel engine building, combining premium aftermarket components with professional-grade machining for a short block capable of handling the demands of competition and high-performance street use.