KPMI Racing Valve Spring Kit 30-31050

KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass, and operating rpm.

KPMI racing valve springs are wound from premium Kobe Super-Clean chrome silicon wire for performance and durability. Each spring is heat-treated, stress-relieved, and shot peened to support maximum performance and service life.

The springs are engineered for specific applications using advanced spring design simulation and analysis software. KPMI engineers evaluate cam and spring harmonics, stress, mass, and operating RPM to develop application-focused spring performance.

This valve spring kit includes a lightweight, heat-treated steel retainer and beehive spring design intended to reduce reciprocating mass while providing the spring forces required by high-performance boosted racing applications. The kit is designed for compatibility with the OEM integrated seal/base, OE# 3610212, where applicable. KPMI part number 30-31050 fits select 2005–2009 and 2012–2016 Honda CRF450X models.

Features:

• Seat Pressure: 80 pounds
• Maximum Pressure: 205 pounds at 0.435-inch lift
• Premium Kobe Super-Clean chrome silicon wire construction
• Heat-treated, stress-relieved, and shot-peened valve springs
• Lightweight heat-treated steel retainer and beehive spring design
• Designed for compatibility with the OEM integrated seal/base, OE# 3610212, where applicable
• Fits select 2005–2009 and 2012–2016 Honda CRF450X models

Fitment:
Honda CRF450X 2005
Honda CRF450X 2006
Honda CRF450X 2007
Honda CRF450X 2008
Honda CRF450X 2009
Honda CRF450X 2010
Honda CRF450X 2011
Honda CRF450X 2012
Honda CRF450X 2013
Honda CRF450X 2014
Honda CRF450X 2015
Honda CRF450X 2016
Honda CRF450X 2017