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H-D® SE Engine Components

Harley-Davidson® Screamin' Eagle® motorcycle engine components give you the performance you need to suit your customizing dreams.

1 - 20 of 52
  • £ 65.02
    £ 65.02

    These Pushrod Covers add to your bike's blacked-out look

    • Gloss black finish
    • Coated with durable, heat-resistant gloss black paint
    • Great add-on when upgrading the top-end of your engine with Screamin' Eagle® performance cylinder heads
    • Kit includes four covers
  • £ 206.02
    £ 206.02
    • Enhanced torque in the low to mid RPM band
    • Ideal for a fully-loaded bike
    • Increased horsepower in the mid RPM range
    • Responds well to roll-on throttle application
    • Crisp throttle response and acceleration at lower speeds
    • Can be used with stock valve springs
  • £ 206.02
    £ 206.02
    • Improved power in mid and upper RPM band
    • Ideal for a fully-loaded bike
    • Thrilling acceleration and crisp throttle response
    • Ideal for rider who likes to downshift and twist the throttle
    • Responds well to aggressive throttle application
    • Can be used with stock valve springs
  • £ 206.02
    £ 206.02
    • Improved acceleration on the straightaway
    • Ideal for lighter bike with bigger displacement
    • Exhilarating acceleration at high engine speeds.
    • Responds well to a healthy twist of the throttle
    • High-lift profile for complete filling of cylinders
  • £ 108.40
    £ 108.40

    Complete the sinister look. These covers replace existing chrome covers to give your bike a blacked-out appearance down to the smallest detail.

    • Gloss black finish
    • Can be installed on engines already equipped with Adjustable Pushrods or can be installed by removing rocker box covers, rocker arms, and non-adjustable pushrods
    • Includes the four bottom cover tubes, four upper clips and four center collars
    • Consult your dealer or service manual for installation
  • £ 271.08
    £ 271.08

    These premium pushrods are tapered for enhanced clearance at the cylinder head, allowing the use of higher lift cams. The one-piece chrome moly pushrod adds rigidity and durability, and the threaded adjustment feature provides easy cam installation without removing the cylinder heads or rocker boxes.

    • To simplify adjustment, the pushrod features six flats, with one flat marked with a large dot for tracking the adjustment
    • Threaded rod features 4 flats to reduce wrench swing
    • Kit includes 4 pushrods, required gloss black pushrod tube covers and o-rings
  • £ 27.06
    £ 27.06

    Replacement clutch springs for the Screamin’ Eagle® High Capacity Clutch Kit P/N 37000287.

    • Installation of these springs with Original Equipment clutch plates will increase clutch capacity and lever effort
    • Can be installed without removing the outer primary cover
    • Kit includes three 1200 Newton (N) coiled clutch springs
  • £ 216.84
    £ 216.84

    The Screamin’ Eagle® High Capacity Clutch Kit increases the drivetrain’s ability to reliably support high torque applications without significantly increasing lever effort.

    • Designed to fit in the stock clutch basket
    • Provides smooth shifting and progressive engagement
    • Works with the factory Assist and Slilp clutch system to keep clutch lever effort similar to the stock levels
    • Provdies 11% more clutch surface area for greater power handling capability
    • Kit contains 10 fiber clutch plates (one more than Original Equipment), 10 contact plates, and 3-1200 Newton clutch springs
  • £ 27.06
    £ 27.06

    High tension springs are engineered to add additional clutch capacity in high torque and high horsepower applications.

    • Designed to complement the Screamin' Eagle® High Capacity Plate Kit P/N 37000258
    • Installation will increase capacity and lever effort
    • When combined with the High Capacity Clutch Plate Kit, torque is increased to the maximum level available
    • Can be installed without removing the outer primary cover
    • Kits includes three 1275 Newton (N) coil springs
  • £ 195.16
    £ 195.16

    Replacement clutch plates for the Screamin’ Eagle® High Capacity Clutch Kit P/N 37000287.

    • Kit includes 10 fiber friction plates and 10 contact plates
  • £ 542.22
    £ 542.22

    Standard equipment in Milwaukee-Eight® engine Stage IV Kits, this high-flow 64mm Throttle Body will pass significantly more air and fuel mixture into your engine.

    • Can be used with Original Equipment or High-Flow Injectors
    • Kit includes large capacity throttle body, port-matched aluminum intake manifold, and intake seals
  • £ 206.02
    £ 206.02

    The SE8-515 Cam is designed in conjunction with the system-matched components contained in the Screamin’ Eagle® Stage IV Kit. The cam’s high lift and long duration profile is ideal for opening the valves to efficiently fill the combustion chamber of larger displacement engines.

    • Adding fuel/air volume in the cylinder yields a more powerful combustion event and results in more power and significantly more torque delivered to the rear wheel
    • Feel harder acceleration off the line and more mid-range and high RPM horsepower
    • High-lift cams are engineered with Harley-Davidson®’s cam dynamics testing
    • Maintain quiet operation and have seamless integration with the engine’s valvetrain components
    • To accommodate the extended lift, Performance Valve Springs (P/N 18100080) must be installed
  • £ 1,518.29
    £ 1,518.29

    Designed in conjunction with the system-matched components of the Screamin’ Eagle® Milwaukee-Eight® Stage IV Performance Kit, these CNC-Ported Cylinder Heads have been meticulously machined to optimize air/fuel flow and velocity. Starting with a unique Screamin' Eagle® cylinder head casting, the Screamin’ Eagle® team has dedicated countless hours of computer simulation and flow bench testing to maximize the flow through the intake and exhaust ports.

    • Black granite highlighted
    • Factory equipped with high performance valve springs that remain stable with high lift cams and in and high RPM operation
    • Ports are meticulously machined on our five axis CNC machine to increase the velocity of the intake charge and to maximize exhaust scavenging
    • When combined with a larger bore throttle body, Cylinder Heads provide improved efficiency of cylinder filling, leading to more explosive power and increased rear wheel torque when compared to stock
  • £ 1,518.29
    £ 1,518.29

    Designed in conjunction with the system-matched components of the Screamin’ Eagle® Milwaukee-Eight® Stage IV Performance Kit, these CNC-Ported Cylinder Heads have been meticulously machined to optimize air/fuel flow and velocity. Starting with a unique Screamin' Eagle® cylinder head casting, the Screamin’ Eagle® team has dedicated countless hours of computer simulation and flow bench testing to maximize the flow through the intake and exhaust ports.

    • Black highlighted
    • Factory equipped with high performance valve springs that remain stable with high lift cams and in and high RPM operation
    • Ports are meticulously machined on our five axis CNC machine to increase the velocity of the intake charge and to maximize exhaust scavenging
    • When combined with a larger bore throttle body, Cylinder Heads provide improved efficiency of cylinder filling, leading to more explosive power and increased rear wheel torque when compared to stock
  • £ 1,518.29
    £ 1,518.29

    Designed in conjunction with the system-matched components of the Screamin’ Eagle® Milwaukee-Eight® Stage IV Performance Kit, these CNC-Ported Cylinder Heads have been meticulously machined to optimize air/fuel flow and velocity. Starting with a unique Screamin' Eagle® cylinder head casting, the Screamin’ Eagle® team has dedicated countless hours of computer simulation and flow bench testing to maximize the flow through the intake and exhaust ports.

    • Black highlighted
    • Factory equipped with high performance valve springs that remain stable with high lift cams and in and high RPM operation
    • Ports are meticulously machined on our five axis CNC machine to increase the velocity of the intake charge and to maximize exhaust scavenging
    • When combined with a larger bore throttle body, Cylinder Heads provide improved efficiency of cylinder filling, leading to more explosive power and increased rear wheel torque when compared to stock
  • £ 16.21
    £ 16.21

    Add style to your motorcycle with these Screamin' Eagle® accessories, and proclaim you're serious about performance.

    • Silver on black timer cover
    • Adds style to Twin Cam-equipped models
  • £ 352.42
    £ 352.42

    The high-lift "Full Throttle" cam kit provides significant horse-power gains when coupled with high-flowing exhaust and intake components.

    • Great fit for full-throttle horsepower junkies
    • 50-State U.S. EPA compliant
    • Requires installation of Performance Cylinder Heads P/N 16500074 or 16500347, or upgrade of Original Equipment heads with Performance Valve Spring Kit P/N 18013-03A
    • All EFI models require ECM calibration for proper installation
    • Some models require recalibration with Screamin’ Eagle® Pro Street Tuner (sold separately)
    • Top End Gasket Kit, Cam Gear Cover Gasket, & Pro Street Tuner sold separately
  • £ 195.16
    £ 195.16

    Hide the blue. These Original Equipment-style Header Pipes have been finished with a unique jet black heat resistant coating, and are a great accent to both chrome and black Buckshot exhaust shields.

    • Jet black finish
    • When exposed through the holes in the Buckshot shields, the black header pipe provides a sinister accent
    • Hides the heat-tempered finish of the typical exhaust pipe
    • Easy to install using factory mounting hardware
    • Includes front and rear header pipe
  • £ 292.78
    £ 292.78

    These performance Beehive-shaped valve springs provide increased stiffness and strength in a compact design. Designed to support the installation of higher lift cams, these performance springs help maintain the stability of the valve train in high RPM conditions.

    • When compressed, these valves have a higher rate of stiffness to keep the valves from bouncing off the valve seat or "floating" during aggressive throttle application
    • Kit includes 8 springs, upper collars and keepers and lower collars with integral valve seals
  • £ 216.84
    £ 216.84

    These premium pushrods are tapered for enhanced clearance at the cylinder head, allowing the use of higher lift cams. The one-piece chrome moly tube adds rigidity and durability and the threaded adjustment feature provides easy cam installation without removing the cylinder heads or rocker boxes.

    • Chrome covers
    • Tube features 6 flats, with one flat marked with a large dot for tracking the adjustment
    • Threaded rod features 4 flats to reduce wrench swing
    • Each pushrod features the Screamin' Eagle® logo and is marked for "Intake" or "Exhaust"
    • Features enhance the overall installation experience by reducing labor to install
    • Kit includes 4 pushrods and required pushrod tube covers
1 - 20 of 52

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