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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: IIS412512 Manufacturer Sku #: 412512
$53.30
2001 - 2004 Chevy Silverado 2500
2001 - 2004 Chevy Silverado 3500
2001 - 2004 GMC Sierra 2500
2001 - 2004 GMC Sierra 3500
Product Name: Industrial Injection Fuel Rail Plug - 01-04 Duramax LB7 6.6L Manufacturer: Industrial Injection Manufacturer Part #: 412512 Thoroughbred Diesel Part #: IIS412512 Fitment Notes: 2001-2004 GM Duramax LB7 6.6L
Pressure relief valves in the factory fuel system were designed to drop rail pressure if pressure ever exceeded a preset point. Over time, the spring in the relief valve can get worn out due to continuous pressure of daily use, causing it to open even with stock rail pressure settings. The Industrial Injection 6.6 Duramax LB7 Fuel Rail Plug was designed to remove this factory valve and eliminate rail pressure drops.
Industrial Injection Features: