Skunk 2 - PRO XP Valves Springs - Honda - F20/22C
Manufacturer: Skunk 2
Reference Number: 311-05-7380
Specs duration (Lift in mm): NOTE: When using Skunk2 Titanium Retainers on 2004 and newer engines, pre-2004 locks (keepers/cotters) must be used! Pre-2004 keepers can be identified by the absence of marks along the top edge (2004 and newer keepers feature laser-etched marks along the top edge). Proper retainer/lock selection is important due to varying angle ratios between earlier and later lock designs. Use of improper retainers and/or locks may result in serious engine damage.
Seat Pressure: 100 lbs at 1.600”
Open Pressure: 255 lbs at 1.100”
Coil Bind: 0.890”
Max Lift: 0.680”
Must Use Skunk2 PN 312-05-0010 (Spring Bases) to Install Dual Springs in Single Spring K Series Heads or Install These Springs in F20C/F22C Engines
Manufacturer Brief:
Skunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda B16/ B17/ B18 and H22/ F20B 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.
Skunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda B16/ B17/ B18 and H22/ F20B 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.
TVA / IVA / VAT: All import taxes (TVA / IVA / VAT) are included in our pricing. No other taxes will be charged to you during delivery!
F20C | 2000cc | DOHC | 16v | NA | I4
F22C | 2200cc | DOHC | 16v | NA | I4