Exergy 04-10 Duramax LLY/LBZ/LMM 2000Bar PRV
⚠ Call for Availability
This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$240.00
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
The factory pressure relief valve dumps to return exactly when a built truck needs rail pressure most. The Exergy 04-10 Duramax LLY/LBZ/LMM 2000Bar PRV (store SKU xrgE07 00012) raises that threshold so the fuel stays where it is doing work.
- Opens at 2000 bar (29000 PSI) instead of the factory threshold, so the rail holds pressure where a stock valve would bleed off.
- Threads into the factory PRV location, so this is a component swap rather than a fuel system redesign.
- Raising the relief point only helps if the pump can supply the volume — treat it as one part of the fuel system, not a standalone fix.
Fits: 2004-2010 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD with the 6.6L Duramax LLY, LBZ or LMM. The 2004 split is mid-year: earlier-2004 trucks are LB7 and use a different leak rail.
Perfect for a truck running rail pressure above stock that keeps bleeding off through the factory valve.
Shipping Height: 2.0
Shipping Length: 10.0
Shipping Width: 4.5