Description

Fits

Year	Make	Model	Engine
2004.5-2005	Chevrolet	Silverado 2500HD, Silverado 3500	6.6L Duramax LLY
2004.5-2005	GMC	Sierra 2500HD, Sierra 3500	6.6L Duramax LLY

Dominate the track and push your LLY Duramax to its absolute limit with this precision-matched set of 250% over injectors. Engineered for high-performance competition builds and maximum fuel delivery, these injectors utilize brand-new OE bodies and upgraded SAC-style nozzles for unmatched reliability under extreme pressure.

Part Number: DDPNLLY-500

Features

• 250% over stock flow
• Genuine brand-new OE bodies
• High-durability SAC style nozzles
• Precision-balanced and matched set
• 158° nozzle spray angle
• No core charge required
• 3-year unlimited mile warranty

Includes

• 8 x Dynomite Diesel Brand New 250% Over LLY Fuel Injectors

Notes

• Professional Tuning Required: Custom tuning is mandatory to manage the massive increase in fuel volume and prevent engine damage.
• Supportive Upgrades Required: Requires high-volume dual CP3 pumps and significant airflow (large or compound turbos) to support 250% flow.
• Final Sale: Once installed, these injectors cannot be returned or refunded due to sizing errors.
• Not for sale in California.

Warranty

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