Cylinder Head Service Kit, 0.385" Lift, Honda®, CRF™ 250R, 2010-2015 # 30-33310

DescriptionKPMI® is proud to introduce full CYLINDER HEAD SERVICE 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 0.385″ Valve LiftTop End Gasket Kit by CometicKPMI® C630 Bronze Standard Valve GuidesKPMI® S.S. Black 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 Lift0.385″Installed Height1.185″Seat Pressure50#Open Pressure160#@ Lift0.385″Valve TypeIntake/ ExhaustValve MaterialBlack Diamond™ StainlessCoatingBlack NitronegIntake Head Diameter30.50mm / 1.201″Intake Stem Diameter5.0mm / 0.1961″Intake Tulip20ºIntake Overall Length3.500″Exhaust Head Diameter25.00mm / 0.984″Exhaust Stem Diameter4.5mm / 0.1760″Exhaust Tulip20ºExhaust Overall Length3.310″RemarksStandardGuide TypeIntake / ExhaustGuide MaterialC630 BronzeIntake ReferenceSee Figure 1Intake Outside Dia.: (G)0.3965″ / Std.Intake (A)0.610″Intake (B)0.610″Intake (C)0.745″Intake (D)0.965″Intake (E)0.394″Intake (F)0.1961″Exhaust ReferenceSee Figure 2Exhaust Outside Dia.: (G)0.3965″ / Std.Exhaust (A)0.820″Exhaust (B)0.820″Exhaust (C)0.650″Exhaust (D)0.770″Exhaust (E)0.394″Exhaust (F)0.1760″Unique Identifier No.FR327789_01GAUSt