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    AV&V™ Extreme Duty Valve Spring Kits for Suzuki

    Manufactured from ultra clean high silicon Kobe alloy wire then micro shot peened and nitrided, these springs have been designed to be used with high performance cams and/or Steel conversion valves that replace Titanium valves.

    When changing OEM titanium valves for AV&Vs Extreme Duty Stainless Steel Valves, you must also upgrade your springs for AV&Vs Extreme Duty Springs due to the need for higher pressure and toughness. To order Intake Springs only, choose kits VSKXXXX-i.

    Suzuki RM-Z250 (2003-2006)

    Part Number Kit TYPE Max. Recommended Lift Seat Pressure Open Pressure (lbs@mm) Coil Bing Height O.D. I.D. Retainer Lower Collar Notes
    VSK1110 Intake and Exhaust .397" 38lbs @ 1.317" 130lbs @ 0.920" 0.835" 0.800" 0.560" Use stock units Use stock units Steel valves
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    Suzuki RM-Z450 (2005-2007) and LTR 450/450Z (2006-2009)

    Part Number Kit TYPE Max. Recommended Lift Seat Pressure Open Pressure (lbs@mm) Coil Bing Height O.D. I.D. Retainer Lower Collar Notes
    VSK1217 Intake .400" 44lbs @ 1.160" 141lbs @ 0.760" 0.710" 1.000" 0.730" Use stock units Use stock units Steel valves
    Exhaust .400" 34lbs @ 1.160" 111lbs @ 0.760" 0.705" .910" 0.670" Use stock units Use stock units Steel valves
    VSK1217-T Intake .400" 37lbs @ 1.160" 134lbs @ 0.760" 0.710" 1.000" 0.730" Use stock units Use stock units Titanium valves
    Exhaust .400" 34lbs @ 1.160" 111lbs @ 0.760" 0.705" .910" 0.670" Use stock units Use stock units Titanium valves
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    Note

    • Complete kit for steel or titanium valves
    • Intake valve shims available for the above.
      Part number VSS1210-20 OD: .942” ID: .460” Thickness .020” (Package of 20 shims)
    • Exhaust valve shims available for the above.
      Part number VSS1211-20 OD: .862” ID: .460” Thickness .020” (Package of 20 shims)