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Engine Kit, Steel, 0.610" Lift, HD®, Sportster 1200cc, 2004-2021

Engine Kit, Steel, 0.610" Lift, HD®, Sportster 1200cc, 2004-2021


Regular price $304.48 USD
Regular price $304.48 USD Sale price $304.48 USD
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California Prop 65


  • 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® S.S. Black Diamond™ Valves, Stock Head Dia.
Installation Instructions Click Here
Type Intake/ Exhaust
Retainer Material H.T. Steel
Valve Lift 0.610"
Installed Height 1.860"
Seat Pressure 175#
Open Pressure 400#
@ Lift 0.610"
Valve Type Intake / Exhaust
Valve Material Black Diamond™ Stainless
Coating Black Nitroneg
Intake Head Diameter 45.85mm / 1.805" 
Intake Stem Diameter 7.0mm / 0.2760"
Intake Tulip 28º
Intake Overall Length 5.525"
Exhaust Head Diameter 40.00mm / 1.575"
Exhaust Stem Diameter 7.0mm / 0.2755"
Exhaust Tulip 34º
Exhaust Overall Length 4.610"
Remarks Standard
Unique Identifier No. FR327789_01GAUS
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