XDP Performance Valve Springs and Retainer Kit - XD386

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

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!