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