Speed And Science Logo

Speed And Science Ltd.

Performance parts for Harley-Davidson (TM) Cycles

  • SHOP
    • SHOVELHEAD
      • SHOVELHEAD OEM Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Rocker Boxes
      • SHOVELHEAD Spare Parts
    • PANSHOVEL
      • PanShovel OEM Bore “VELOCITY” Heads
      • PanShovel Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Spare Parts
    • EVOLUTION
      • EVO Performance Heads
      • SHOVELUTION Cylinders
      • EVOLUTION Spare Parts
    • TWINCAM
      • TwinCam Performance heads
      • TWIN CAM Spare Parts
    • EFI Conversion
      • SHOVELHEAD Big Bore “MIT” Power Heads – EFI
      • PanShovel Big Bore “MIT” Power Heads – EFI
    • Timing Covers
      • SHOVELHEAD
      • EVOLUTION
      • TWINCAM
      • M8
      • BUELL
      • Custom Logo
    • TOOLS
      • Valve Opener Milwaukee 8
      • Flow Bench Service
  • Gallery
  • FAQ
  • Contact Us
  • SHOP
    • SHOVELHEAD
      • SHOVELHEAD OEM Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Rocker Boxes
      • SHOVELHEAD Spare Parts
    • PANSHOVEL
      • PanShovel OEM Bore “VELOCITY” Heads
      • PanShovel Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Spare Parts
    • EVOLUTION
      • EVO Performance Heads
      • SHOVELUTION Cylinders
      • EVOLUTION Spare Parts
    • TWINCAM
      • TwinCam Performance heads
      • TWIN CAM Spare Parts
    • EFI Conversion
      • SHOVELHEAD Big Bore “MIT” Power Heads – EFI
      • PanShovel Big Bore “MIT” Power Heads – EFI
    • Timing Covers
      • SHOVELHEAD
      • EVOLUTION
      • TWINCAM
      • M8
      • BUELL
      • Custom Logo
    • TOOLS
      • Valve Opener Milwaukee 8
      • Flow Bench Service
  • Gallery
  • FAQ
  • Contact Us
US$230 1 Cart
Speed And Science Logo

Speed And Science Ltd.

Performance parts for Harley-Davidson (TM) Cycles

  • SHOP
    • SHOVELHEAD
      • SHOVELHEAD OEM Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Rocker Boxes
      • SHOVELHEAD Spare Parts
    • PANSHOVEL
      • PanShovel OEM Bore “VELOCITY” Heads
      • PanShovel Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Spare Parts
    • EVOLUTION
      • EVO Performance Heads
      • SHOVELUTION Cylinders
      • EVOLUTION Spare Parts
    • TWINCAM
      • TwinCam Performance heads
      • TWIN CAM Spare Parts
    • EFI Conversion
      • SHOVELHEAD Big Bore “MIT” Power Heads – EFI
      • PanShovel Big Bore “MIT” Power Heads – EFI
    • Timing Covers
      • SHOVELHEAD
      • EVOLUTION
      • TWINCAM
      • M8
      • BUELL
      • Custom Logo
    • TOOLS
      • Valve Opener Milwaukee 8
      • Flow Bench Service
  • Gallery
  • FAQ
  • Contact Us
  • SHOP
    • SHOVELHEAD
      • SHOVELHEAD OEM Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “VELOCITY” Heads
      • SHOVELHEAD Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Rocker Boxes
      • SHOVELHEAD Spare Parts
    • PANSHOVEL
      • PanShovel OEM Bore “VELOCITY” Heads
      • PanShovel Big Bore “MIT” Power Heads
      • SHOVELHEAD / PanShovel Cylinders
      • SHOVELHEAD Spare Parts
    • EVOLUTION
      • EVO Performance Heads
      • SHOVELUTION Cylinders
      • EVOLUTION Spare Parts
    • TWINCAM
      • TwinCam Performance heads
      • TWIN CAM Spare Parts
    • EFI Conversion
      • SHOVELHEAD Big Bore “MIT” Power Heads – EFI
      • PanShovel Big Bore “MIT” Power Heads – EFI
    • Timing Covers
      • SHOVELHEAD
      • EVOLUTION
      • TWINCAM
      • M8
      • BUELL
      • Custom Logo
    • TOOLS
      • Valve Opener Milwaukee 8
      • Flow Bench Service
  • Gallery
  • FAQ
  • Contact Us
US$230 1 Cart

speed and science

Showing 1–12 of 16 resultsSorted by price: high to low

  • black shovelhead head

    Shovelhead Heads Big Bore, Black Coated

    US$2,290
    Add to cart
  • black shovelhead head

    Shovelhead heads OEM Bore, Black Coated

    Rated 5.00 out of 5
    US$2,280
    Add to cart
  • Twin Cam Heads - Black

    TwinCam Headset, CNC Ported, “MIT”, Black Coated

    US$2,270
    Add to cart
  • Twin Cam Heads - Black

    Twin Cam Heads “FEROCITY 2.0”, Black Coated

    US$2,150
    Add to cart
  • Shovelhead Billet Aluminum heads

    Shovelhead heads OEM Bore, DUAL INDEPENDENT Intake

    Rated 5.00 out of 5
    US$2,070
    Add to cart
  • Shovelhead

    Shovelhead Heads Big Bore, SUPER E Intake

    Rated 5.00 out of 5
    US$2,040
    Add to cart
  • Twin Cam Heads TwinCam Headset Harley-Davidson

    TwinCam Headset, CNC Ported, “MIT”

    Rated 5.00 out of 5
    US$2,020
    Add to cart
  • Twin Cam Heads TwinCam Headset Harley-Davidson

    Twin Cam Heads “FEROCITY 2.0”

    Rated 5.00 out of 5
    US$1,900
    Add to cart
  • Shovelhead EFI intake

    EFI Conversion Kit for Shovelhead / PanShovel engines

    US$750
    Add to cart
  • EFI Trigger Wheel (24-1) and HALL Mounting Plate. Spare parts for EFI Conversion Kit (Shovelhead / PanShovel engines).

    EFI Trigger Wheel (24-1) and HALL Mounting Plate. Spare parts for EFI Conversion Kit (Shovelhead / PanShovel engines).

    US$410
    Add to cart
  • Shovel intake super e

    Shovel Intake 40MM for OEM stroke Shovelhead engines

    US$230
    Add to cart
  • Shovel intake super e

    Shovelhead Stroker Intake Super E style

    Rated 5.00 out of 5
    US$230
    Add to cart
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