Skunk2 Pro Series XP Valve Springs B Series VTEC

****OFF-ROAD USE ONLY**** BRAND NEW IN BOX   Part Number Fits:   Vehicle:   1992 - 2001 Acura Integra (GS-R) 1997 - 2001 Acura Integra (Type R) 1999 - 2000 Honda Civic Coupe (Si) 1994 - 1997 Honda del Sol (VTEC)   Engine: Acura B17A1 Acura B18C1, C5 Honda B16A2, A3   Note:   Seat Pressure: 93 lbs at 1.320” Open Pressure: 238 lbs at 0.820” Coil Bind: 0.718” Skunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda B-series VTEC engines. Each kit includes Skunk2’s high-quality race-proven dual valve springs that are the result of nearly two decades of racing and engine building experience.   “XP” features a higher seat pressure for turbocharged and extreme high RPM motors. This spring has a seat pressure of 93lbs @ 1.320” while keeping the coil bind height for higher lift camshafts.   Each Pro Series XP Racing Valve Spring is manufactured exclusively from super-clean, chrome-silicone wire milled in Japan. By using inner and outer springs mat