Racing Valve Spring Kit, Titanium Retainers, 0.440" Lift - For 02-08 Honda CRF450R w/ SS or Ti Valves

For 02-08 Honda CRF450R w/ SS or Ti Valves

• California Prop 65 Warning: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/
• Exhaust Installed Height: 1.365 in
• Exhaust Open Pressure: 203 lbs
• Exhaust Seat Pressure: 70 lbs
• Exhaust Valve Lift: 0.440 in
• Finish: Unfinished
• Intake Installed Height : 1.215 in
• Intake Open Pressure: 147 lbs
• Intake Seat Pressure: 40 lbs
• Intake Valve Lift: 0.440 in
• Items Included: Valve Spring,Valve Spring Retainer
• Material: Steel,Titanium
• Performance Part: Yes
• Type: Valve Spring Set

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.