1998-2018 Cummins Billet Valve Bridges (DJPCNC100098)

These billet bridges are precision-machined components engineered to significantly increase rigidity in the most critical areas of your valvetrain. Compared to stock components, they are approximately 22% lighter, reducing valvetrain mass while improving responsiveness, stability, and valve control at higher RPM. Proven in real-world applications exceeding 4,000 horsepower, these bridges are built to withstand the extreme cylinder pressures and valvetrain loads found in today's highest-performing diesel engines. As engine demands increase from higher lift camshafts, stiffer valve springs, elevated boost levels, or heavy towing conditions, the factory valvetrain can experience deflection and instability beyond its original design limits. The D&J billet bridges eliminate those weaknesses by delivering the strength and rigidity required for precise, consistent valve movement under the most demanding conditions. Manufactured from premium billet steel and CNC-machined for exceptional precision and repeatability, each bridge provides superior durability, accuracy, and surface finish. Every unit is completed with the signature D&J engraving, combining proven performance with a clean, high-quality appearance.

Part Number: DJPCNC100098

• Proven in 4,000+ HP Applications. Successfully tested in extreme high-horsepower diesel engines, delivering the rigidity and reliability required for the most demanding racing and performance builds.
• Precision CNC-Machined High Impact Tool Steel Construction. Machined from premium-grade tool steel for exceptional strength, consistency, and durability in high-load diesel applications.
• Heat-Treated for Maximum Strength. Advanced heat treatment process increases hardness and wear resistance, helping prevent deformation and failure under extreme valvetrain loads.
• Engineered Webbed Reinforcement Design. Reduces flex and increases rigidity in critical engine areas, improving valvetrain stability and long-term durability.
• Superior Fatigue & Crack Resistance. Designed to withstand repeated high-stress cycles from high RPM, heavy valve springs, and increased cylinder pressure.
• Direct-Fit Precision. Manufactured to tight tolerances for accurate fitment, proper geometry, and straightforward installation.
• D&J Engraved Branding. Precision-engraved logo provides a clean, professional finish while verifying genuine D&J Precision Machine quality.
• Proven Reliability Upgrade. Helps prevent costly valvetrain failures in high-performance, towing, and heavy-duty applications.
• 22% Lighter Than Stock. Up to 20% lighter than other billet bridges on the market. Reduced mass improves valvetrain responsiveness, decreases inertia, and helps maintain stability at higher RPM.

• Install Time: 2 hours
• Manufactured In: America
• Construction: Heat-treated tool steel, CNC-machined

• 05011477AA, 3943626