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Cylinder Head Service Kit, 0.445" Lift, Suzuki®, RM-Z250™, 2010-2023

Cylinder Head Service Kit, 0.445" Lift, Suzuki®, RM-Z250™, 2010-2023


Regular price $428.36 USD
Regular price $428.36 USD Sale price $428.36 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 0.445" Valve Lift
  • Top End Gasket Kit by Cometic
  • KPMI® C630 Bronze Standard Valve Guides
  • KPMI® 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 Instructions Click Here
Type Intake/ Exhaust
Retainer Material Titanium 
Valve Lift 0.445"
Installed Height 1.300"
Seat Pressure 51#
Open Pressure 160#
Intake @ Lift 0.445"
Valve Type  Intake/ Exhaust
Valve Material White Diamond® Stainless
Coating Hard Chrome
Intake Head Diameter 31.00mm/ 1.220"
Intake Stem Diameter 4.5mm/ 0.1765"
Intake Tulip 15º
Intake Overall Length 3.175"
Exhaust Head Diameter 25.00mm/ 0.984"
Exhaust Stem Diameter 4.5mm/ 0.1760"
Exhaust Tulip 25º
Exhaust Overall Length 3.185"
Remarks Standard
Guide Type Intake/ Exhaust
Guide Material C630 Bronze
Reference See Figure 1
Outside Dia.: (G) 0.3778" / Std.
D 0.700"
Unique Identifier No. FR327789_01GAUSt


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