Description
CP-Carrillo DC8559S is a matched set of 6 Pro-H connecting rods machined from a proprietary 4330M alloy forging, with 7/16 in. CARR multiphase (MP35N, 285 ksi UTS) bolts and a Mahle steel pin bushing with cap relief, per the current CP-Carrillo catalog. Sets are weight-matched for engine builds that exceed the strength of the factory rods.
Fits: 5.9L/6.7L Cummins engines (1989-2018 Dodge/Ram 2500/3500) that have been converted with a 1 in. deck plate; not for standard-deck blocks.
Specifications (CP-Carrillo catalog)
- Center-to-center length: 8.559 in.
- Beam style: Pro-H
- Rod bolts: 7/16 in. CARR multiphase (MP35N, 285 ksi UTS)
- Big-end bore: 2.8740 in.
- Big-end width: 1.526 in.
- Pin-end width: 1.526 tapered in.
- Piston pin diameter: 1.5748 in.
- Pin end: Tapered, made to fit the OEM piston
- Quantity: Set of 6
- Catalog rod mass (total each): 2132 g
What's Included
- 6 connecting rods with caps
- 12 installed 7/16 in. rod bolts (CARR)
Not Included / Required
- Pistons, piston pins, piston rings and rod bearings are not included.
- Requires a 1 in. deck-plate block conversion and the associated machine work.
- Professional engine-builder installation: verify bearing and wrist-pin clearances and balance the rotating assembly to the catalog rotating/reciprocating weights.
- Tighten rod bolts by the stretch method (preferred) or torque-angle with lubricant, per the CP-Carrillo steel bolt instruction sheet.
Sources: CP-Carrillo diesel rod catalog page 67; CP-Carrillo steel bolt instruction sheet (PDF).
