DescriptionSERVICE KITS. These kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt / MX and Side x Side models with KPMI’s top quality racing valvetrain components.Features:Save time money on your next cylinder head rebuildOne package, everything you need for factory recommended valvetrain serviceDouble your service life over OEM using KPMI® Valvetrain productsKitted with value added savingsKit Includes:Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.445″ Valve LiftTop End Gasket Kit by CometicKPMI® C630 Bronze Standard Valve GuidesKPMI® S.S. White Diamond® Valves, Stock Head Dia.The product image may not be accurate on the page. Please refer to the description and specifications before purchasing.Installation InstructionsClick HereTypeIntake/ ExhaustRetainer MaterialTitaniumValve Lift0.445″Installed Height1.320″Seat Pressure46#Open Pressure155#Intake @ Lift0.445″Valve TypeIntake/ ExhaustValve MaterialWhite Diamond® StainlessCoatingHard ChromeIntake Head Diameter31.00mm/ 1.220″Intake Stem Diameter4.5mm/ 0.1765″Intake Tulip20ºIntake Overall Length3.120″Exhaust Head Diameter25.00mm/ 0.984″Exhaust Stem Diameter4.5mm/ 0.1756″Exhaust Tulip25ºExhaust Overall Length3.125″RemarksStandardGuide TypeIntake/ ExhaustGuide MaterialC630 BronzeReferenceSee Figure 1Outside Dia.: (G)0.3765″ / Std.A0.440″B0.465″C0.590″D0.850″E0.410″F0.1765″Unique Identifier No.FR327789_01GAUSt