Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs)

Elevate your engine's performance with the Skunk2 Pro Series XP Valve Spring Set, meticulously designed for Honda K-series i-VTEC engines. This racing valve spring kit embodies nearly two decades of Skunk2's expertise in racing and engine building, delivering exceptional quality and performance.

Key Features:

• Extra Pressure Design: The XP springs feature a higher seat pressure of 100 lbs at 1.600 inches, ideal for turbocharged and high RPM applications.
• Durable Construction: Manufactured from premium, super-clean chrome-silicone wire sourced from Japan, ensuring superior strength and longevity.
• Valve Float Prevention: The dual spring design with differing frequencies minimizes valve float and ensures valvetrain stability at engine speeds exceeding 11,000 rpm.
• High Lift Compatibility: Engineered to support extreme-lift camshafts with a maximum lift of 0.680 inches while maintaining coil bind at 0.890 inches.
• Comprehensive Testing: Rigorously tested on engine dynos and racetracks, proving reliability and performance in championship-level racing conditions.

Specifications:

• Seat Pressure: 100 lbs at 1.600 inches
• Open Pressure: 255 lbs at 1.100 inches
• Coil Bind: 0.890 inches
• Max Lift: 0.680 inches
• Set Includes: 16 valve springs

Note:

When using Skunk2 Titanium Retainers on 2004 and newer engines, be sure to utilize pre-2004 locks (keepers/cotters). Pre-2004 keepers can be identified by the absence of marks along the top edge, whereas 2004 and newer keepers feature laser-etched marks.

Experience the difference that top-tier racing components can make. Upgrade to the Skunk2 Pro Series XP Valve Spring Set today and unlock the full potential of your Honda K-series i-VTEC engine!