Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs) 2005-acura-rsx-esi4359491 ZX2-HDG4 kit features ACT's most

ZX2-HDG4 kit features ACT's most popular Heavy Duty pressure plate

3 40mm Offset 73mm Bore Gold Wheel G35/350z

3 Racing Hyper Black Wheel

Radium Engineering M10x1mm Female to 1/8NPT Male Fitting

5T or 2017-2020 Civic Si is the addition of flow through your intercooling system

Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs) 2005-acura-rsx-esi4359491 ZX2-HDG4 kit features ACT's mostSkunk2 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 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 100lbs @ 1. 600 in. while keeping the coil bind height