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Skunk2 Pro Series Honda/Acura K-Series i-VTEC XP Valve Spring Set (Dual Springs)

Take your engine to the next level with Skunk2's Pro Series XP Racing Valve Spring Kits for Honda K-series i-VTEC engines. These high-quality, dual valve springs are designed to prevent valve float and maintain valvetrain stability at engine speeds over 11,000 rpm.

Each Pro Series XP Racing Valve Spring is manufactured from super-clean, chrome-silicone wire milled in Japan, and is engineered to handle the demands of extreme-lift camshafts operating at prolonged, high-rpm use at championship-level racing.

  • Prevents valve float and maintains valvetrain stability at engine speeds over 11,000 rpm
  • Manufactured from super-clean, chrome-silicone wire
  • Seat pressure: 100 lbs at 1.600 in.
  • Open pressure: 255 lbs at 1.100 in.
  • Coil bind: 0.890 in.
  • Max lift: 0.680 in.
Make Model Year Type
Acura RSX 2002 Base
Acura RSX 2002 Type-S
Acura RSX 2003 Base
Acura RSX 2003 Type-S
Acura RSX 2004 Base
Acura RSX 2004 Type-S
Acura RSX 2005 Base
Acura RSX 2005 Type-S
Acura RSX 2006 Base
Acura RSX 2006 Type-S
Acura TSX 2004 Base
Acura TSX 2005 Base
Acura TSX 2006 Base
Acura TSX 2007 Base
Acura TSX 2008 Base
Honda Accord 2003 DX
Honda Accord 2003 EX
Honda Accord 2003 LX
Honda Accord 2004 DX
Honda Accord 2004 EX
Honda Accord 2004 LX
Honda Accord 2005 DX
Honda Accord 2005 EX
Honda Accord 2005 LX
Honda Accord 2005 SE
Honda Accord 2006 EX
Honda Accord 2006 LX
Honda Accord 2006 LX Special Edition
Honda Accord 2006 Value Package
Honda Accord 2007 EX
Honda Accord 2007 EX-L
Honda Accord 2007 LX
Honda Accord 2007 Special Edition
Honda Accord 2007 Value Package
Honda Civic 2002 Si
Honda Civic 2003 Si
Honda Civic 2004 Si
Honda Civic 2005 Si
Honda Civic 2006 Si
Honda Civic 2007 Si
Honda Civic 2008 MUGEN Si
Honda Civic 2008 Si
Honda Civic 2009 Si
Honda Civic 2010 Si
Honda Civic 2011 Si
Honda CR-V 2002 EX
Honda CR-V 2002 LX
Honda CR-V 2003 EX
Honda CR-V 2003 LX
Honda CR-V 2004 EX
Honda CR-V 2004 LX
Honda CR-V 2005 EX
Honda CR-V 2005 LX
Honda CR-V 2005 SE
Honda CR-V 2006 EX
Honda CR-V 2006 LX
Honda CR-V 2006 SE
Honda CR-V 2007 EX
Honda CR-V 2007 EX-L
Honda CR-V 2007 LX
Honda CR-V 2008 EX
Honda CR-V 2008 EX-L
Honda CR-V 2008 LX
Honda CR-V 2009 EX
Honda CR-V 2009 EX-L
Honda CR-V 2009 LX
Honda Element 2003 DX
Honda Element 2003 EX
Honda Element 2004 DX
Honda Element 2004 EX
Honda Element 2004 LX
Honda Element 2005 EX
Honda Element 2005 LX
Honda Element 2006 EX
Honda Element 2006 LX
Honda Element 2007 EX
Honda Element 2007 LX
Honda Element 2007 SC
Honda Element 2008 EX
Honda Element 2008 LX
Honda Element 2008 SC
Honda Element 2009 EX
Honda Element 2009 LX
Honda Element 2009 SC
Honda Element 2010 EX
Honda Element 2010 LX
Honda Element 2010 SC
Honda Element 2011 EX
Honda Element 2011 LX
Skunk2 manufactures a wide variety of performance parts for sport compacts, with a focus on Honda and Acura. Their “Alpha” series products include connecting rods, crankshafts, valves, and valve springs. Other products include coilover suspension and other suspension components, headers, and full exhaust systems. Skunk2’s experience in building high power Honda and Acura racecars has established them as a leader in high performance sport compact parts. Numerous wins and podium finishes in World Challenge, NHRA, and Grand-Am are proof of their performance.
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