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

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


Regular price $456.24 USD
Regular price $456.24 USD Sale price $456.24 USD
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California Prop 65

KPMI® 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.


  • Save time money on your next cylinder head rebuild
  • One package, everything you need for factory recommended valvetrain service
  • Double your service life over OEM using KPMI® Valvetrain products
  • Kitted with value added savings

Kit Includes:

  • Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.385" Valve Lift
  • Top End Gasket Kit by Cometic
  • KPMI® C630 Bronze Standard Valve Guides
  • KPMI® 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 Instructions Click Here
Type Intake/ Exhaust
Retainer Material Titanium 
Valve Lift 0.385"
Installed Height 1.185"
Seat Pressure 50#
Open Pressure 160#
@ Lift 0.385"
Valve Type  Intake/ Exhaust
Valve Material Black Diamond™ Stainless
Coating Black Nitroneg
Intake Head Diameter 30.50mm / 1.201"
Intake Stem Diameter 5.0mm / 0.1961"
Intake Tulip 20º
Intake Overall Length 3.500"
Exhaust Head Diameter 25.00mm / 0.984"
Exhaust Stem Diameter 4.5mm / 0.1760"
Exhaust Tulip 20º
Exhaust Overall Length 3.310"
Remarks Standard
Guide Type Intake / Exhaust
Guide Material C630 Bronze
Intake Reference See Figure 1
Intake 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 Reference See Figure 2
Exhaust 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
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