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Cylinder Head Service Kit, 0.350" Lift, Various Honda® Applications

Cylinder Head Service Kit, 0.350" Lift, Various Honda® Applications


Regular price $449.60 USD
Regular price $449.60 USD Sale price $449.60 USD
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California Prop 65

Honda® CRF 250R 2004-2007
Honda® CRF 250X 2004-2015

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 0.350" Valve Lift
  • Top End Gasket Kit by Cometic
  • KPMI® C674 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 0.350"
Installed Height 1.320"
Seat Pressure 50#
Open Pressure 145#
@ Lift 0.350"
Valve Type  Intake/ Exhaust
Valve Material Black Diamond™ Stainless
Coating Black Nitroneg
Intake Head Diameter 31.00mm / 1.220"
Intake Stem Diameter 5.0mm/ 0.1961"
Intake Tulip 20º
Intake Overall Length 3.280"
Exhaust Head Diameter 26.00mm / 1.024"
Exhaust Stem Diameter 5.0mm/ 0.1956"
Exhaust Tulip 20º
Exhaust Overall Length 3.235"
Remarks Standard
Guide Type Intake / Exhaust
Guide Material C674 Bronze
Reference See Figure 1
Intake Outside Dia.: (G) 0.3965" / Std.
Intake (A) 0.540"
Intake (B) 0.540"
Intake (C) 0.710"
Intake (D) 0.770"
Intake (E) 0.394"
Intake (F) 0.1961"
Exhaust Outside Dia.: (G) 0.3965" / Std.
Exhaust (A) 0.740"
Exhaust (B) 0.740"
Exhaust (C) 0.675"
Exhaust (D) 0.775"
Exhaust (E) 0.394
Exhaust (F) 0.1945"
Unique Identifier No. FR327789_01GAUSt
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