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Cylinder Head Service Kit, 0.435" Lift, Polaris®, Various 1000's 2015-2023

Cylinder Head Service Kit, 0.435" Lift, Polaris®, Various 1000's 2015-2023


Regular price $668.26 USD
Regular price $668.26 USD Sale price $668.26 USD
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California Prop 65

Excluding Turbo's
Polaris® RZR™ 1000 (&S/XP/Trail S) 2015-2023
Polaris® RZR™ RS1 2018-2022
Polaris® General 1000 (&XP) 2016-2023

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:
  • Beehive Spring H.T. Steel Retainer Spring Kit, Which Allows for 0.435" 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 0.435"
Installed Height 1.360"
Seat Pressure 80#
Open Pressure 205#
@ Lift 0.435"
Valve Type  Intake/ Exhaust
Valve Material Black Diamond™ Stainless
Coating Black Nitroneg
Intake Head Diameter 37.72mm / 1.485"
Intake Stem Diameter 5.5mm/ 0.2160"
Intake Tulip 17º
Intake Overall Length 3.775"
Exhaust Head Diameter 29.21mm / 1.150"
Exhaust Stem Diameter 5.5mm/ 0.2155"
Exhaust Tulip 25º
Exhaust Overall Length 3.805"
Remarks Standard
Guide Type Intake / Exhaust
Guide Material C674 Bronze
 Reference See Figure 1
Intake Outside Dia.: (G) 0.4353" / Std.
Intake (A) ---
Intake (B)
Intake (C)
Intake (D)
Intake (E)
Intake (F)
Exhaust Outside Dia.: (G) 0.4353" / Std.
Exhaust (A) ---
Exhaust (B) 0.455"
Exhaust (C) 1.090"
Exhaust (D) 1.190"
Exhaust (E) 0.433
Exhaust (F) 0.2155
Unique Identifier No. FR327789_01GAUSt
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