Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs) 2005-acura-rsx-esi4359491 You can also turn off

You can also turn off the controller and use the gauge as a display

Radium Engineering M10x1mm Female to 1/8NPT Male Fitting

Replace original X1 Series regulator internals with the conversion kit of your choice (Part #'s 13013

EFI or Carbureted

Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs) 2005-acura-rsx-esi4359491 You can also turn offSkunk2 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