Product Description
Race-ready forged pistons for late 2nd-Gen Cummins. INDUSTRIAL INJECTION PDM-3354FCC.020 is a .020" overbore competition piston set engineered for the 1998.5–2002 5.9L 24-valve (VP44) platform. Purpose-built skirt and crown coatings help manage heat and friction under high cylinder pressure, aggressive timing, and big fuel/air setups.
Fitment
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24-valve (VP44)
- Direct-fit for blocks machined to .020" over (nominal 4.036" bore)
Key Features
- Race pistons tailored for high boost and fueling
- Thermal/crown barrier & low-friction skirt coatings for durability
- Optimized bowl & relief geometry for competition use
- Matched to 24V VP44 applications (1998.5–2002)
What’s Included
- Set of (6) .020" over PDM-3354FCC race pistons
- Use with appropriate 4.036" ring packs (see Recommended Parts)
Recommended Parts (CPP Internal Links)
- ARP 247-4202 Head Stud Kit (5.9L/6.7L Cummins)
- MAHLE HS54174-1 Head Gasket Set – 1998.5–2002 24V (or HS54174-2 Upper Set)
- TOTAL SEAL S4194-20 Gapless 2nd Ring Set – 4.036"
- Alternate: PDM-3354FCC (Standard Bore)
- Alternate: PDM-3354FCC.040 (.040 Over)
- More 98.5–02 24V Engine Parts & Accessories
Helpful Notes
- Professional machine work required; verify piston-to-wall and ring end-gaps to your build spec.
- Match head gasket thickness, cam/valvetrain, and fuel system to your boost/RPM goals.
FAQ
Will these fit my VP44 24-valve without custom rods?They’re designed for the 1998.5–2002 5.9L 24V VP44 platform. Use standard-style rods and confirm clearances during mock-up.
Do they include rings, pins, and clips?This listing is for the piston set. Pair with the correct 4.036" ring package (see links above) and your preferred pins/clips as required by your build.
How much power will the coatings support?The thermal/crown and skirt coatings are engineered for high heat and load typical of competition use; final limits depend on tuning, air/fuel system, and clearances.
What other upgrades should I consider while the head is off?Head studs, fresh head gasket set, correct valve springs/retainers, and a quality damper. See the Engine Parts & Accessories category for 98.5–02.
