Pro Series XP Valve Spring Kit

The Skunk2 Pro Series XP (Extra Pressure) valve spring kit is engineered for performance applications, providing enhanced valve control. This comprehensive kit includes 16 pieces, offering a significant upgrade over stock components. Technical specifications for this kit include a seat pressure of 93 lbs at 1.320 inches and an open pressure of 238 lbs at 0.820 inches. The coil bind is measured at 0.718 inches, ensuring robust operation under demanding conditions. These springs are expertly wound, heat-treated, shot-peened, and chemically polished for durability and strength, resulting in lightweight valve springs that safely support higher RPMs. Specific fitments include various Honda Civic models (2-Door Coupe, 3-Door Hatchback, 4-Door Sedan, 5-Door Hatchback, Aerodeck, CRX, CRX Del Sol), Honda Integra models (3-Door and 4-Door), and Honda Prelude models.