Skip to product information
1 of 2

Cylinder Head Service Kit, 0.440" Lift, Suzuki®, LT-Z™/ D-RZ™ 400, 2000-2019

Cylinder Head Service Kit, 0.440" Lift, Suzuki®, LT-Z™/ D-RZ™ 400, 2000-2019


Regular price $335.14 USD
Regular price $335.14 USD Sale price $335.14 USD
Sale Sold out

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 0.440" Valve Lift
  • Top End Gasket Kit by Cometic
  • KPMI® C674 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 0.440"
Installed Height 1.205"
Seat Pressure 57#
Open Pressure 171#
Intake @ Lift 0.440"
Valve Type  Intake/ Exhaust
Valve Material White Diamond® Stainless
Coating Hard Chrome
Intake Head Diameter 36.00mm/ 1.418"
Intake Stem Diameter 5.0mm/ 0.1960"
Intake Tulip 20º
Intake Overall Length 3.245"
Exhaust Head Diameter 29.00mm/ 1.142"
Exhaust Stem Diameter 5.0mm/ 0.1953"
Exhaust Tulip 17º
Exhaust Overall Length 3.210"
Remarks Standard
Guide Type Intake/ Exhaust
Guide Material C674 Bronze
Reference See Figure 1
Outside Dia.: (G) 0.4167"/ Std.
D 0.770"
Unique Identifier No. FR327789_01GAUSt


View full details