Skunk2 Racing skk311-05-7380

Skunk2 Pro Series XP dual valve springs for Honda K‑series i‑VTEC engines, engineered for turbo and extreme high‑RPM use. Manufactured from Japanese-milled chrome‑silicone wire and finished with heat treatment and nitriding, these springs offer 100 lb seat pressure at 1.600" and 255 lb open pressure at 1.100", with 0.890" coil bind and 0.680" max lift. They prevent valve float and maintain valvetrain stability at very high engine speeds.

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