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Engine Kit, Steel, 0.465" Lift, HD®, M8™ (& CVO’s*) 2017-2024

Engine Kit, Steel, 0.465" Lift, HD®, M8™ (& CVO’s*) 2017-2024


Regular price $448.93 USD
Regular price $448.93 USD Sale price $448.93 USD
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California Prop 65

*2023-2024 CVO’s check valve lift to determine compatibility with KPMI® spring kits


  • Save time money when purchasing this kit
  • One package, everything you need for a cylinder head overhaul
  • Double your service life over OEM using KPMI® Valvetrain products
  • All the components in this kit would cost more if bought individually

Kit Includes:

  • KPMI® complete Valve Spring Kit that meets or exceeds OEM specifications
  • Seals (where applicable)
  • Keeper (where applicable)
  • KPMI® White Diamond® Valves, Stock Head Dia.
Installation Instructions Click Here
Type Intake/ Exhaust
Retainer Material H.T. Steel
Valve Lift 0.465"
Installed Height 1.410"
Seat Pressure 80#
Open Pressure 212#
@ Lift 0.465"
Valve Type Intake / Exhaust
Valve Material White Diamond® Stainless
Coating Hard Chrome
Intake Head Diameter 39.90mm / 1.571"
Intake Stem Diameter 6.0mm / 0.2347"
Intake Tulip 10°
Intake Overall Length 4.015"
Exhaust Head Diameter 32.11mm / 1.264"
Exhaust Stem Diameter 6.0mm / 0.2342"
Exhaust Tulip 24°
Exhaust Overall Length 4.050"
Remarks Standard
Unique Identifier No. FR327789_01GAUS
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