Performance Valve Springs and Retainer Kit
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2001 | Chevrolet | Silverado 2500 HD | ||
| 2002 | Chevrolet | Silverado 2500 HD | ||
| 2003 | Chevrolet | Silverado 2500 HD | ||
| 2004 | Chevrolet | Silverado 2500 HD | ||
| 2005 | Chevrolet | Silverado 2500 HD | ||
| 2001 | Chevrolet | Silverado 2500 HD | LS | |
| 2002 | Chevrolet | Silverado 2500 HD | LS | |
| 2003 | Chevrolet | Silverado 2500 HD | LS | |
| 2004 | Chevrolet | Silverado 2500 HD | LS | |
| 2005 | Chevrolet | Silverado 2500 HD | LS | |
| 2006 | Chevrolet | Silverado 2500 HD | LS | |
| 2001 | GMC | Sierra 3500 | SL | |
| 2002 | GMC | Sierra 3500 | SL | |
| 2001 | Chevrolet | Silverado 3500 | ||
| 2002 | Chevrolet | Silverado 3500 | ||
| 2003 | Chevrolet | Silverado 3500 | ||
| 2004 | Chevrolet | Silverado 3500 | ||
| 2005 | Chevrolet | Silverado 3500 | ||
| 2001 | GMC | Sierra 2500 HD | SLE | |
| 2002 | GMC | Sierra 2500 HD | SLE | |
| 2003 | GMC | Sierra 2500 HD | SLE | |
| 2004 | GMC | Sierra 2500 HD | SLE | |
| 2005 | GMC | Sierra 2500 HD | SLE | |
| 2006 | GMC | Sierra 2500 HD | SLE | |
| 2007 | GMC | Sierra 2500 HD | SLE | |
| 2008 | GMC | Sierra 2500 HD | SLE | |
| 2009 | GMC | Sierra 2500 HD | SLE | |
| 2010 | GMC | Sierra 2500 HD | SLE | |
| 2011 | GMC | Sierra 2500 HD | SLE | |
| 2012 | GMC | Sierra 2500 HD | SLE | |
| 2013 | GMC | Sierra 2500 HD | SLE | |
| 2014 | GMC | Sierra 2500 HD | SLE | |
| 2015 | GMC | Sierra 2500 HD | SLE | |
| 2016 | GMC | Sierra 2500 HD | SLE | |
| 2001 | Chevrolet | Silverado 3500 | LT | |
| 2002 | Chevrolet | Silverado 3500 | LT | |
| 2003 | Chevrolet | Silverado 3500 | LT | |
| 2004 | Chevrolet | Silverado 3500 | LT | |
| 2005 | Chevrolet | Silverado 3500 | LT | |
| 2006 | Chevrolet | Silverado 3500 | LT | |
| 2001 | Chevrolet | Silverado 2500 HD | LT | |
| 2002 | Chevrolet | Silverado 2500 HD | LT | |
| 2003 | Chevrolet | Silverado 2500 HD | LT | |
| 2004 | Chevrolet | Silverado 2500 HD | LT | |
| 2005 | Chevrolet | Silverado 2500 HD | LT | |
| 2006 | Chevrolet | Silverado 2500 HD | LT | |
| 2007 | Chevrolet | Silverado 2500 HD | LT | |
| 2008 | Chevrolet | Silverado 2500 HD | LT | |
| 2009 | Chevrolet | Silverado 2500 HD | LT | |
| 2010 | Chevrolet | Silverado 2500 HD | LT | |
| 2011 | Chevrolet | Silverado 2500 HD | LT | |
| 2012 | Chevrolet | Silverado 2500 HD | LT | |
| 2013 | Chevrolet | Silverado 2500 HD | LT | |
| 2014 | Chevrolet | Silverado 2500 HD | LT | |
| 2015 | Chevrolet | Silverado 2500 HD | LT | |
| 2016 | Chevrolet | Silverado 2500 HD | LT | |
| 2001 | GMC | Sierra 3500 | SLE | |
| 2002 | GMC | Sierra 3500 | SLE | |
| 2003 | GMC | Sierra 3500 | SLE | |
| 2004 | GMC | Sierra 3500 | SLE | |
| 2005 | GMC | Sierra 3500 | SLE | |
| 2006 | GMC | Sierra 3500 | SLE | |
| 2001 | GMC | Sierra 2500 HD | SLT | |
| 2002 | GMC | Sierra 2500 HD | SLT | |
| 2003 | GMC | Sierra 2500 HD | SLT | |
| 2004 | GMC | Sierra 2500 HD | SLT | |
| 2005 | GMC | Sierra 2500 HD | SLT | |
| 2006 | GMC | Sierra 2500 HD | SLT | |
| 2007 | GMC | Sierra 2500 HD | SLT | |
| 2008 | GMC | Sierra 2500 HD | SLT | |
| 2009 | GMC | Sierra 2500 HD | SLT | |
| 2010 | GMC | Sierra 2500 HD | SLT | |
| 2011 | GMC | Sierra 2500 HD | SLT | |
| 2012 | GMC | Sierra 2500 HD | SLT | |
| 2013 | GMC | Sierra 2500 HD | SLT | |
| 2014 | GMC | Sierra 2500 HD | SLT | |
| 2015 | GMC | Sierra 2500 HD | SLT | |
| 2016 | GMC | Sierra 2500 HD | SLT | |
| 2001 | Chevrolet | Silverado 3500 | LS | |
| 2002 | Chevrolet | Silverado 3500 | LS | |
| 2003 | Chevrolet | Silverado 3500 | LS | |
| 2004 | Chevrolet | Silverado 3500 | LS | |
| 2005 | Chevrolet | Silverado 3500 | LS | |
| 2006 | Chevrolet | Silverado 3500 | LS | |
| 2001 | GMC | Sierra 2500 HD | SL | |
| 2002 | GMC | Sierra 2500 HD | SL | |
| 2001 | GMC | Sierra 3500 | SLT | |
| 2002 | GMC | Sierra 3500 | SLT | |
| 2003 | GMC | Sierra 3500 | SLT | |
| 2004 | GMC | Sierra 3500 | SLT | |
| 2005 | GMC | Sierra 3500 | SLT | |
| 2006 | GMC | Sierra 3500 | SLT | |
| 2002 | GMC | Sierra 3500 | ||
| 2003 | GMC | Sierra 3500 | ||
| 2004 | GMC | Sierra 3500 | ||
| 2005 | GMC | Sierra 3500 | ||
| 2002 | GMC | Sierra 2500 HD | ||
| 2003 | GMC | Sierra 2500 HD | ||
| 2004 | GMC | Sierra 2500 HD | ||
| 2005 | GMC | Sierra 2500 HD | ||
| 2003 | GMC | Sierra 2500 HD | WT | |
| 2004 | GMC | Sierra 2500 HD | WT | |
| 2005 | GMC | Sierra 2500 HD | WT | |
| 2006 | GMC | Sierra 2500 HD | WT | |
| 2007 | GMC | Sierra 2500 HD | WT | |
| 2008 | GMC | Sierra 2500 HD | WT | |
| 2009 | GMC | Sierra 2500 HD | WT | |
| 2010 | GMC | Sierra 2500 HD | WT | |
| 2011 | GMC | Sierra 2500 HD | WT | |
| 2012 | GMC | Sierra 2500 HD | WT | |
| 2013 | GMC | Sierra 2500 HD | WT | |
| 2014 | GMC | Sierra 2500 HD | WT | |
| 2004 | Chevrolet | Silverado 2500 HD | WT | |
| 2005 | Chevrolet | Silverado 2500 HD | WT | |
| 2006 | Chevrolet | Silverado 2500 HD | WT | |
| 2007 | Chevrolet | Silverado 2500 HD | WT | |
| 2008 | Chevrolet | Silverado 2500 HD | WT | |
| 2009 | Chevrolet | Silverado 2500 HD | WT | |
| 2010 | Chevrolet | Silverado 2500 HD | WT | |
| 2011 | Chevrolet | Silverado 2500 HD | WT | |
| 2012 | Chevrolet | Silverado 2500 HD | WT | |
| 2013 | Chevrolet | Silverado 2500 HD | WT | |
| 2014 | Chevrolet | Silverado 2500 HD | WT | |
| 2015 | Chevrolet | Silverado 2500 HD | WT | |
| 2016 | Chevrolet | Silverado 2500 HD | WT | |
| 2004 | Chevrolet | Silverado 3500 | WT | |
| 2004 | GMC | Sierra 3500 | WT | |
| 2005 | GMC | Sierra 3500 | WT | |
| 2006 | GMC | Sierra 3500 | WT | |
| 2006 | Chevrolet | Silverado 3500 | WT | |
| 2006 | GMC | Sierra 2500 HD | SL | |
| 2006 | GMC | Sierra 3500 | SL | |
| 2007 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2008 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2009 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2010 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2011 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2012 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2013 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2014 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2015 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2016 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | |
| 2007 | GMC | Sierra 3500 Classic | WT | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | |
| 2007 | GMC | Sierra 3500 HD | WT | |
| 2008 | GMC | Sierra 3500 HD | WT | |
| 2009 | GMC | Sierra 3500 HD | WT | |
| 2010 | GMC | Sierra 3500 HD | WT | |
| 2011 | GMC | Sierra 3500 HD | WT | |
| 2012 | GMC | Sierra 3500 HD | WT | |
| 2013 | GMC | Sierra 3500 HD | WT | |
| 2014 | GMC | Sierra 3500 HD | WT | |
| 2007 | Chevrolet | Silverado 3500 HD | WT | |
| 2008 | Chevrolet | Silverado 3500 HD | WT | |
| 2009 | Chevrolet | Silverado 3500 HD | WT | |
| 2010 | Chevrolet | Silverado 3500 HD | WT | |
| 2011 | Chevrolet | Silverado 3500 HD | WT | |
| 2012 | Chevrolet | Silverado 3500 HD | WT | |
| 2013 | Chevrolet | Silverado 3500 HD | WT | |
| 2014 | Chevrolet | Silverado 3500 HD | WT | |
| 2015 | Chevrolet | Silverado 3500 HD | WT | |
| 2016 | Chevrolet | Silverado 3500 HD | WT | |
| 2007 | GMC | Sierra 3500 Classic | SLT | |
| 2007 | GMC | Sierra 2500 HD Classic | SLT | |
| 2007 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2008 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2009 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2015 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2016 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2007 | GMC | Sierra 3500 HD | SLT | |
| 2008 | GMC | Sierra 3500 HD | SLT | |
| 2009 | GMC | Sierra 3500 HD | SLT | |
| 2010 | GMC | Sierra 3500 HD | SLT | |
| 2011 | GMC | Sierra 3500 HD | SLT | |
| 2012 | GMC | Sierra 3500 HD | SLT | |
| 2013 | GMC | Sierra 3500 HD | SLT | |
| 2014 | GMC | Sierra 3500 HD | SLT | |
| 2015 | GMC | Sierra 3500 HD | SLT | |
| 2016 | GMC | Sierra 3500 HD | SLT | |
| 2007 | GMC | Sierra 3500 Classic | SLE | |
| 2007 | GMC | Sierra 2500 HD Classic | SLE | |
| 2007 | GMC | Sierra 3500 HD | SLE | |
| 2008 | GMC | Sierra 3500 HD | SLE | |
| 2009 | GMC | Sierra 3500 HD | SLE | |
| 2010 | GMC | Sierra 3500 HD | SLE | |
| 2011 | GMC | Sierra 3500 HD | SLE | |
| 2012 | GMC | Sierra 3500 HD | SLE | |
| 2013 | GMC | Sierra 3500 HD | SLE | |
| 2014 | GMC | Sierra 3500 HD | SLE | |
| 2015 | GMC | Sierra 3500 HD | SLE | |
| 2016 | GMC | Sierra 3500 HD | SLE | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | |
| 2007 | Chevrolet | Silverado 3500 HD | LT | |
| 2008 | Chevrolet | Silverado 3500 HD | LT | |
| 2009 | Chevrolet | Silverado 3500 HD | LT | |
| 2010 | Chevrolet | Silverado 3500 HD | LT | |
| 2011 | Chevrolet | Silverado 3500 HD | LT | |
| 2012 | Chevrolet | Silverado 3500 HD | LT | |
| 2013 | Chevrolet | Silverado 3500 HD | LT | |
| 2014 | Chevrolet | Silverado 3500 HD | LT | |
| 2015 | Chevrolet | Silverado 3500 HD | LT | |
| 2016 | Chevrolet | Silverado 3500 HD | LT | |
| 2007 | GMC | Sierra 2500 HD Classic | SL | |
| 2007 | GMC | Sierra 3500 Classic | SL | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | |
| 2007 | GMC | Sierra 2500 HD Classic | WT | |
| 2011 | GMC | Sierra 3500 HD | Denali | |
| 2012 | GMC | Sierra 3500 HD | Denali | |
| 2013 | GMC | Sierra 3500 HD | Denali | |
| 2014 | GMC | Sierra 3500 HD | Denali | |
| 2015 | GMC | Sierra 3500 HD | Denali | |
| 2016 | GMC | Sierra 3500 HD | Denali | |
| 2011 | GMC | Sierra 2500 HD | Denali | |
| 2012 | GMC | Sierra 2500 HD | Denali | |
| 2013 | GMC | Sierra 2500 HD | Denali | |
| 2014 | GMC | Sierra 2500 HD | Denali | |
| 2015 | GMC | Sierra 2500 HD | Denali | |
| 2016 | GMC | Sierra 2500 HD | Denali | |
| 2015 | Chevrolet | Silverado 3500 HD | High Country | |
| 2016 | Chevrolet | Silverado 3500 HD | High Country | |
| 2015 | Chevrolet | Silverado 2500 HD | High Country | |
| 2016 | Chevrolet | Silverado 2500 HD | High Country | |
| 2015 | GMC | Sierra 3500 HD | ||
| 2016 | GMC | Sierra 3500 HD | ||
| 2015 | GMC | Sierra 2500 HD | ||
| 2016 | GMC | Sierra 2500 HD |
Specifications:
| Country of Origin | USA |
| Sold As | Kit |
| Availability | Available |
| Universal | No |
| About |
XDP is a leading retailer, distributor, and manufacturer of top-quality OE, OER, and aftermarket diesel parts and accessories. Strategically positioned across the United States, XDP houses one of the largest and most diverse diesel-specific inventories in the industry. For the last 20 years, XDP has proudly served the diesel community and diesel industry across North America and Canada. We're ready to meet the needs of you and your vehicle, whether it be for work, play, towing or hauling. We know what moves you! |
The XDP Performance Valve Springs and Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades and other modifications that increase boost require more valve control.
The XDP Performance Valve Spring feature a conical design for better valve control than a standard straight spring. The conical design also allows for smaller and lighter spring retainers. Each spring undergoes a stress relief process and is computer load mapped, to ensure quality and long-term reliability.
Each spring is matched within 1 lb of seat pressure to ensure consistency. Sold as a complete set with valve springs, retainers, and locks. Each kit is backed by XDP's 1-year unlimited mileage warranty.
Features:
- 125 Lb. Seat Pressure
- Conical Spring Design
- Performance Valve Spring Kit
- Essential For Elevated Boost Levels
- Complete Set (Springs, Locks and Retainers)
Specifications:
- Installed Height: 1.610 inch
- Installed Pressure: 125lbs
- 210lbs at 1.110 inch
- Coil Bind: 1.050 inch
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