Product Description
Industrial Injection 412512 GM Rail Plug for 2001-2004 6.6L LB7 Duramax
The Industrial Injection 412512 GM Rail Plug is designed to maximize fuel rail pressure and improve fuel delivery on your 2001-2004 6.6L LB7 Duramax engine. This plug eliminates the pressure relief valve (PRV), ensuring consistent fuel pressure under high-performance tuning or racing conditions. Constructed from precision-machined, high-quality materials, this plug offers a reliable, leak-free seal for long-lasting durability.
Features:
- Direct fit for 2001-2004 GM 6.6L LB7 Duramax engines
- Eliminates factory pressure relief valve (PRV)
- Improves fuel rail consistency and injector performance
- Machined from premium-grade materials for durability
- Ideal for high-performance and race applications
Specifications:
| Manufacturer | Industrial Injection |
|---|---|
| Part Number | 412512 |
| Fitment | 2001-2004 6.6L GM Duramax LB7 |
| UPC | 840171216098 |
| Material | Machined Billet Steel |
| Finish | Raw or Polished |
| Install Time | Approx. 15 Minutes |
Fitment:
- 2001-2004 Chevrolet Silverado 2500HD / 3500 - 6.6L LB7 Duramax
- 2001-2004 GMC Sierra 2500HD / 3500 - 6.6L LB7 Duramax
Recommended Parts:
FAQ:
Q: Do I need custom tuning after installing this rail plug?
A: It's recommended to have custom tuning for optimal performance if you are running modified injectors or turbo setups.
Q: Will this rail plug fit LLY or later Duramax engines?
A: No, this plug is specifically designed for the 2001-2004 LB7 Duramax only.
Q: Is this product street legal?
A: This part is intended for off-road or competition use only.