HD High Boost Valve Spring Set 11-26 Ford F-250/F-350/F-450/F-550 Super Duty XDP XDP

Get authentic XDP Xtreme Diesel Performance parts at NorCal Diesel Performance — expert tech support, fast shipping, and freight quotes available for oversized packages.

The XDP HD High Boost Valve Spring Set XD767 is designed for Ford 6.7L Powerstroke engines to improve valve control under increased boost and lift. Featuring a conical design with increased seat pressure, these valve springs reduce valve float and maintain valvetrain stability. Sold as a complete set of 32, ideal for replacement during valvetrain service or performance upgrades.

Features and Benefits:

• Complete Set
• Designed To Support Elevated Boost Levels And RPM
• Increased Spring Pressure To Help Reduce Valve Float
• Conical Valve Spring Design For Improved Valvetrain Control

Specifications:

• 133 lbs at 1.333 inch installed height
• 183 lbs at .965 inch (.368 inch valve lift)
• Maximum valve lift: .420 inch when installed at 1.333

Details:

• Fuel Type: Diesel
• Engine Years: 2011-2026
• Engine Manufacturer: Powerstroke
• Liter: 6.7 Liter
• Warranty: 2 Year/Unlimited Mileage Warranty