Industrial 0433175275-R3 Race3 40% Over Nozzle | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Features:

• Fits 2001–2004 GM 6.6L Duramax LB7 engines
• 40 percent over stock fuel flow nozzles
• Each nozzle flows approximately 31 liters per minute
• Built for race and sled pull competition use
• Supports higher horsepower and performance tuning
• Precision-machined for accurate fuel atomization
• Sold individually for flexible replacement or upgrades
• Requires a quantity of 8 for a complete set
• Ideal for trucks with upgraded fuel and air systems
• Improves fueling under high load and RPM
• Designed by Industrial Injection for high-performance use
• Not intended for stock or lightly modified applications

Step Into The Power Zone With Confident Fuel Delivery

If you’re dialing in your Duramax for high-performance fun, the Industrial Injection Race3 40% Over Nozzles are a no-brainer upgrade. These nozzles are engineered to fuel your 2001–2004 LB7 with the extra volume it needs when you’re chasing horsepower gains on the track or pulling serious weight at the sled pulls. Flowing approximately 31 liters per minute, these nozzles provide a 40 percent increase over stock to support aggressive tuning, big air upgrades, and elevated fuel demands. You’ll feel the difference in throttle response and power delivery, especially in the upper RPM range where stock injectors just can’t keep up. Whether you're laying down rubber or moving serious torque, this upgrade helps ensure your truck has the fuel to back it up. Sold individually, they give you the flexibility to replace just what you need or build a full set of eight for a complete performance transformation. If you're ready to move past the limitations of stock and unleash your truck’s true potential, these nozzles are ready to fuel the fire.

Designed For Consistent High Flow With Precision Engineering

The Industrial Injection 0433175275-R3 Race3 Nozzles are built to deliver enhanced fuel volume and accuracy for 2001–2004 GM 6.6L Duramax LB7 engines. With a 40% increase in flow over stock and a 31 LPM output per nozzle, they’re an ideal match for trucks running upgraded turbochargers, modified CP3 pumps, and aggressive custom tuning. These nozzles are precision-machined to maintain consistent spray patterns and atomization, ensuring balanced fuel distribution and smooth combustion at high power levels. They are specifically intended for competition use, such as drag racing and sled pulling, where consistent and reliable fueling under high boost is critical. Each nozzle is sold individually, allowing you to replace one or purchase a full set of eight for complete coverage. Installation requires professional knowledge and should be paired with proper tuning to achieve optimal performance and avoid over-fueling. Built with durability and performance in mind, the Race3 series is part of Industrial Injection’s trusted line of race-proven fueling products for diesel enthusiasts pushing their trucks beyond stock limits.

Fits: 2001, 2002, 2003, 2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Notes:

• Specifically designed for 2001–2004 Duramax LB7 engines
• Nozzles provide a 40% increase in fuel flow over stock
• Each nozzle flows approximately 31 liters per minute
• Optimized for extreme race and sled pull applications
• Recommended for use with upgraded air and fuel systems
• Sold individually to allow for partial or full set purchases
• Requires quantity of 8 for complete injector replacement
• Not suitable for stock or mild street builds
• Professional installation and custom tuning strongly advised
• Engineered by Industrial Injection for high-performance use