Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs) Pontiac Grand Prix LE 1988 GMC Yukon XL 1500 SLE

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Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs) Pontiac Grand Prix LE 1988 GMC Yukon XL 1500 SLESkunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda K series i VTEC engines. Each kit includes Skunk2s 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 100lbs @ 1. 600 while keeping the coil bind height for