DDP-DYNOMITE DIESEL PRODUCTS
DDP DDPL5P-STK 2017-PRESENT DURAMAX L5P BRAND NEW STOCK INJECTOR SINGLE
- SKU:
- DDPL5P-STK
- MPN:
- DDPL5P-STK
- Shipping:
- Calculated at Checkout
Description
The DDP Injector Set for 2017–2023 L5P Duramax is built to deliver superior fuel delivery, precise atomization, and long-term reliability for your GM HD diesel. Whether you’re replacing worn factory injectors or upgrading for more horsepower, DDP injectors are flow-tested, matched, and built from brand-new OEM bodies – no reman cores, no compromises.
Available in stock flow or performance upgrades (30%, 50%, or 100% over), these injectors support everything from OEM replacements to 800+ horsepower builds, depending on your selection.
Fitment
Compatible with all L5P-equipped GM trucks:
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2017–2019 Chevrolet Silverado 2500HD / 3500HD
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2017–2019 GMC Sierra 2500HD / 3500HD
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2020–2023 Silverado HD & Sierra HD
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6.6L V8 Turbo Diesel (RPO: L5P)
Direct replacement with required tuning for performance models.
Injector Flow Options
Model | Flow Increase | Application Type | Est. HP Range |
---|---|---|---|
Stock | OEM flow | Factory replacement | 400–450 HP |
30% Over | +30% | Tow/performance hybrids | 500–700 HP |
50% Over | +50% | Street/strip & compound turbos | 700–850 HP |
100% Over | +100% | Competition builds | 850–1000+ HP |
Key Features
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Brand-New Construction – Not remanufactured, no core charge
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Flow-Matched Sets – Balanced for even cylinder fueling
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Built in the USA – Quality-verified by DDP technicians
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High-Performance Ready – Custom tuning required for +% flow sets
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Clean Install Fitment – Designed as a direct OE-style drop-in
Recommended Pairings
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Custom ECM tuning (required for +30% and above)
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Upgraded CP3 conversion or modified CP4
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Lift pump & filtration system
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Turbocharger upgrade for 50%+ sets
Built for Power, Proven by Performance
Whether you’re replacing failed OEM injectors or building a high-horsepower L5P, the Dynamite Diesel Performance Injector Set delivers unmatched precision and power potential.
Order today and power your Duramax with confidence.