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  • S&S

S&S EZ Start 551 Gear-Driven Cam - 106-5442

  • Part #: 140974
  • Manufacturer Part #: 106-5442
  • Our Price: $824.95
Ships in 3-4 Business Days
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140974
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Overview of S&S EZ Start 551 Gear-Driven Cam - 106-5442

  • Start any engine regardless of displacement or compression ratio with a stock starter
  • Save your starter and battery; tested for 10,000 starts without running battery down
  • Spring-loaded lobe in cam allows for easy start by initially reducing crank compression, but once the engine starts and rpm increases, the compression release lobe is centrifugally retracted and the engine runs normally, with full compression, and without any loss in performance
  • Available in chain drive and gear drive versions


  • 551 EZ CAMS
  • Optimized for 88/96 in. to 106 in. Touring bikes with slip-on mufflers and 9.0 to 10.0:1 compression
  • Best bolt-in cam available for Dressers
  • Can be used with stock pushrods, springs and lifters
  • Pulls hard from idle to 4000 rpm


  • Intake:
    Open: 15 degree
    Close: 20 degree
    Duration @ .053 in.: 215 degree
    Valve Lift: .550 in.

    Exhaust:
    Open: 39 degree
    Close: 18 degree
    Duration @ .053 in.: 237 degree
    Valve Lift: .550 in.

This item ships 3-4 business days after order is processed

Included Items:
(2) Cams
(1) Pinion gear
(1) Gear
(1) 3/8-24 x 1-3/4 in. Sockethead bolt
1) 3/16 in. Spacer
(1) Key
(2) Bearings
(1) Gasket
(1) 3/4 in. Spacer
(2) Locktite
(2) Block-off plates
(1) Retaining ring
(1) 5/16-18 x 3/4 in. Hex head bolt
(4) 1/4-20 x 3/4 in Buttonhead bolts

Specs

Type Cam
Units Kit
Weight 5.95 lbs

Specs for S&S EZ Start 551 Gear-Driven Cam - 106-5442

Type Cam
Units Kit
Weight 5.95 lbs

Fitment for S&S EZ Start 551 Gear-Driven Cam - 106-5442

Part 140974 fits the following machines

See if this part fits your ride

Harley-Davidson
2000 Harley-Davidson Dyna Convertible - FXDS-CONV
1999 Harley-Davidson Dyna Convertible - FXDS-CONV
2005 Harley-Davidson Dyna Low Rider - FXDL
2004 Harley-Davidson Dyna Low Rider - FXDL
2003 Harley-Davidson Dyna Low Rider - FXDL
2002 Harley-Davidson Dyna Low Rider - FXDL
2001 Harley-Davidson Dyna Low Rider - FXDL
2000 Harley-Davidson Dyna Low Rider - FXDL
1999 Harley-Davidson Dyna Low Rider - FXDL
2005 Harley-Davidson Dyna Low Rider Injected - FXDL I
2004 Harley-Davidson Dyna Low Rider Injected - FXDL I
2005 Harley-Davidson Dyna Super Glide - FXD
2004 Harley-Davidson Dyna Super Glide - FXD
2003 Harley-Davidson Dyna Super Glide - FXD
2002 Harley-Davidson Dyna Super Glide - FXD
2001 Harley-Davidson Dyna Super Glide - FXD
2000 Harley-Davidson Dyna Super Glide - FXD
1999 Harley-Davidson Dyna Super Glide - FXD
2005 Harley-Davidson Dyna Super Glide Custom - FXDC
2005 Harley-Davidson Dyna Super Glide Custom Injected - FXDC I
2005 Harley-Davidson Dyna Super Glide Injected - FXD I
2004 Harley-Davidson Dyna Super Glide Injected - FXD I
2005 Harley-Davidson Dyna Super Glide Sport - FXDX
2004 Harley-Davidson Dyna Super Glide Sport - FXDX
2003 Harley-Davidson Dyna Super Glide Sport - FXDX
2002 Harley-Davidson Dyna Super Glide Sport - FXDX
2001 Harley-Davidson Dyna Super Glide Sport - FXDX
2000 Harley-Davidson Dyna Super Glide Sport - FXDX
1999 Harley-Davidson Dyna Super Glide Sport - FXDX
2005 Harley-Davidson Dyna Super Glide Sport Injected - FXDX I
2004 Harley-Davidson Dyna Super Glide Sport Injected - FXDX I
2003 Harley-Davidson Dyna Super Glide T-Sport - FXDXT
2002 Harley-Davidson Dyna Super Glide T-Sport - FXDXT
2001 Harley-Davidson Dyna Super Glide T-Sport - FXDXT
2005 Harley-Davidson Dyna Wide Glide - FXDWG
2004 Harley-Davidson Dyna Wide Glide - FXDWG
2003 Harley-Davidson Dyna Wide Glide - FXDWG
2002 Harley-Davidson Dyna Wide Glide - FXDWG
2001 Harley-Davidson Dyna Wide Glide - FXDWG
2000 Harley-Davidson Dyna Wide Glide - FXDWG
1999 Harley-Davidson Dyna Wide Glide - FXDWG
2005 Harley-Davidson Dyna Wide Glide Injected - FXDWG I
2004 Harley-Davidson Dyna Wide Glide Injected - FXDWG I
2005 Harley-Davidson Electra Glide Classic - FLHTC
2004 Harley-Davidson Electra Glide Classic - FLHTC
2003 Harley-Davidson Electra Glide Classic - FLHTC
2002 Harley-Davidson Electra Glide Classic - FLHTC
2001 Harley-Davidson Electra Glide Classic - FLHTC
2000 Harley-Davidson Electra Glide Classic - FLHTC
1999 Harley-Davidson Electra Glide Classic - FLHTC
2006 Harley-Davidson Electra Glide Classic Injected - FLHTC I
2005 Harley-Davidson Electra Glide Classic Injected - FLHTC I
2004 Harley-Davidson Electra Glide Classic Injected - FLHTC I
2003 Harley-Davidson Electra Glide Classic Injected - FLHTC I
2002 Harley-Davidson Electra Glide Classic Injected - FLHTC I
2001 Harley-Davidson Electra Glide Classic Injected - FLHTC I
2000 Harley-Davidson Electra Glide Classic Injected - FLHTC I
1999 Harley-Davidson Electra Glide Classic Injected - FLHTC I
2006 Harley-Davidson Electra Glide Standard - FLHT
2005 Harley-Davidson Electra Glide Standard - FLHT
2004 Harley-Davidson Electra Glide Standard - FLHT
2003 Harley-Davidson Electra Glide Standard - FLHT
2002 Harley-Davidson Electra Glide Standard - FLHT
2001 Harley-Davidson Electra Glide Standard - FLHT
2000 Harley-Davidson Electra Glide Standard - FLHT
1999 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
2006 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
2005 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
2004 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
2003 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
2002 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
2001 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
2000 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
1999 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
2006 Harley-Davidson Heritage Softail - FLST
2006 Harley-Davidson Heritage Softail Classic - FLSTC
2005 Harley-Davidson Heritage Softail Classic - FLSTC
2004 Harley-Davidson Heritage Softail Classic - FLSTC
2003 Harley-Davidson Heritage Softail Classic - FLSTC
2002 Harley-Davidson Heritage Softail Classic - FLSTC
2001 Harley-Davidson Heritage Softail Classic - FLSTC
2000 Harley-Davidson Heritage Softail Classic - FLSTC
2006 Harley-Davidson Heritage Softail Classic Injected - FLSTC I
2005 Harley-Davidson Heritage Softail Classic Injected - FLSTC I
2004 Harley-Davidson Heritage Softail Classic Injected - FLSTC I
2003 Harley-Davidson Heritage Softail Classic Injected - FLSTC I
2002 Harley-Davidson Heritage Softail Classic Injected - FLSTC I
2001 Harley-Davidson Heritage Softail Classic Injected - FLSTC I
2006 Harley-Davidson Heritage Softail Injected - FLST I
2003 Harley-Davidson Heritage Softail Springer - FLSTS
2002 Harley-Davidson Heritage Softail Springer - FLSTS
2001 Harley-Davidson Heritage Softail Springer - FLSTS
2000 Harley-Davidson Heritage Softail Springer - FLSTS
2003 Harley-Davidson Heritage Softail Springer Injected - FLSTS I
2002 Harley-Davidson Heritage Softail Springer Injected - FLSTS I
2001 Harley-Davidson Heritage Softail Springer Injected - FLSTS I
2002 Harley-Davidson Road Glide - FLTR
2001 Harley-Davidson Road Glide - FLTR
2000 Harley-Davidson Road Glide - FLTR
1999 Harley-Davidson Road Glide - FLTR
2006 Harley-Davidson Road Glide Injected - FLTR I
2005 Harley-Davidson Road Glide Injected - FLTR I
2004 Harley-Davidson Road Glide Injected - FLTR I
2003 Harley-Davidson Road Glide Injected - FLTR I
2002 Harley-Davidson Road Glide Injected - FLTR I
2001 Harley-Davidson Road Glide Injected - FLTR I
2000 Harley-Davidson Road Glide Injected - FLTR I
1999 Harley-Davidson Road Glide Injected - FLTR I
2006 Harley-Davidson Road King - FLHR
2005 Harley-Davidson Road King - FLHR
2004 Harley-Davidson Road King - FLHR
2003 Harley-Davidson Road King - FLHR
2002 Harley-Davidson Road King - FLHR
2001 Harley-Davidson Road King - FLHR
2000 Harley-Davidson Road King - FLHR
1999 Harley-Davidson Road King - FLHR
2006 Harley-Davidson Road King Classic Injected - FLHRC I
2005 Harley-Davidson Road King Classic Injected - FLHRC I
2004 Harley-Davidson Road King Classic Injected - FLHRC I
2003 Harley-Davidson Road King Classic Injected - FLHRC I
2002 Harley-Davidson Road King Classic Injected - FLHRC I
2001 Harley-Davidson Road King Classic Injected - FLHRC I
2000 Harley-Davidson Road King Classic Injected - FLHRC I
1999 Harley-Davidson Road King Classic Injected - FLHRC I
2006 Harley-Davidson Road King Custom - FLHRS
2005 Harley-Davidson Road King Custom - FLHRS
2004 Harley-Davidson Road King Custom - FLHRS
2006 Harley-Davidson Road King Custom Injected - FLHRS I
2005 Harley-Davidson Road King Custom Injected - FLHRS I
2004 Harley-Davidson Road King Custom Injected - FLHRS I
2006 Harley-Davidson Road King Injected - FLHR I
2005 Harley-Davidson Road King Injected - FLHR I
2004 Harley-Davidson Road King Injected - FLHR I
2003 Harley-Davidson Road King Injected - FLHR I
2002 Harley-Davidson Road King Injected - FLHR I
2001 Harley-Davidson Road King Injected - FLHR I
2000 Harley-Davidson Road King Injected - FLHR I
1999 Harley-Davidson Road King Injected - FLHR I
2006 Harley-Davidson Softail Deluxe - FLSTN
2005 Harley-Davidson Softail Deluxe - FLSTN
2006 Harley-Davidson Softail Deluxe Injected - FLSTN I
2005 Harley-Davidson Softail Deluxe Injected - FLSTN I
2006 Harley-Davidson Softail Deuce - FXSTD
2005 Harley-Davidson Softail Deuce - FXSTD
2004 Harley-Davidson Softail Deuce - FXSTD
2003 Harley-Davidson Softail Deuce - FXSTD
2002 Harley-Davidson Softail Deuce - FXSTD
2001 Harley-Davidson Softail Deuce - FXSTD
2000 Harley-Davidson Softail Deuce - FXSTD
2006 Harley-Davidson Softail Deuce Injected - FXSTD I
2005 Harley-Davidson Softail Deuce Injected - FXSTD I
2004 Harley-Davidson Softail Deuce Injected - FXSTD I
2003 Harley-Davidson Softail Deuce Injected - FXSTD I
2002 Harley-Davidson Softail Deuce Injected - FXSTD I
2001 Harley-Davidson Softail Deuce Injected - FXSTD I
2006 Harley-Davidson Softail Fat Boy - FLSTF
2005 Harley-Davidson Softail Fat Boy - FLSTF
2004 Harley-Davidson Softail Fat Boy - FLSTF
2003 Harley-Davidson Softail Fat Boy - FLSTF
2002 Harley-Davidson Softail Fat Boy - FLSTF
2001 Harley-Davidson Softail Fat Boy - FLSTF
2000 Harley-Davidson Softail Fat Boy - FLSTF
2006 Harley-Davidson Softail Fat Boy Injected - FLSTF I
2005 Harley-Davidson Softail Fat Boy Injected - FLSTF I
2004 Harley-Davidson Softail Fat Boy Injected - FLSTF I
2003 Harley-Davidson Softail Fat Boy Injected - FLSTF I
2002 Harley-Davidson Softail Fat Boy Injected - FLSTF I
2001 Harley-Davidson Softail Fat Boy Injected - FLSTF I
2006 Harley-Davidson Softail Night Train - FXSTB
2005 Harley-Davidson Softail Night Train - FXSTB
2004 Harley-Davidson Softail Night Train - FXSTB
2003 Harley-Davidson Softail Night Train - FXSTB
2002 Harley-Davidson Softail Night Train - FXSTB
2001 Harley-Davidson Softail Night Train - FXSTB
2000 Harley-Davidson Softail Night Train - FXSTB
2006 Harley-Davidson Softail Night Train Injected - FXSTB I
2005 Harley-Davidson Softail Night Train Injected - FXSTB I
2004 Harley-Davidson Softail Night Train Injected - FXSTB I
2003 Harley-Davidson Softail Night Train Injected - FXSTB I
2002 Harley-Davidson Softail Night Train Injected - FXSTB I
2001 Harley-Davidson Softail Night Train Injected - FXSTB I
2006 Harley-Davidson Softail Springer - FXSTS
2005 Harley-Davidson Softail Springer - FXSTS
2004 Harley-Davidson Softail Springer - FXSTS
2003 Harley-Davidson Softail Springer - FXSTS
2002 Harley-Davidson Softail Springer - FXSTS
2001 Harley-Davidson Softail Springer - FXSTS
2000 Harley-Davidson Softail Springer - FXSTS
2006 Harley-Davidson Softail Springer Classic - FLSTSC
2005 Harley-Davidson Softail Springer Classic - FLSTSC
2006 Harley-Davidson Softail Springer Classic Injected - FLSTSC I
2005 Harley-Davidson Softail Springer Classic Injected - FLSTSC I
2006 Harley-Davidson Softail Standard - FXST
2005 Harley-Davidson Softail Standard - FXST
2004 Harley-Davidson Softail Standard - FXST
2003 Harley-Davidson Softail Standard - FXST
2002 Harley-Davidson Softail Standard - FXST
2001 Harley-Davidson Softail Standard - FXST
2000 Harley-Davidson Softail Standard - FXST
2006 Harley-Davidson Softail Standard Injected - FXST I
2005 Harley-Davidson Softail Standard Injected - FXST I
2004 Harley-Davidson Softail Standard Injected - FXST I
2003 Harley-Davidson Softail Standard Injected - FXST I
2002 Harley-Davidson Softail Standard Injected - FXST I
2001 Harley-Davidson Softail Standard Injected - FXST I
2006 Harley-Davidson Street Glide - FLHX
2006 Harley-Davidson Street Glide Injected - FLHX I

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Instructions and Media for S&S EZ Start 551 Gear-Driven Cam - 106-5442

Instructions - PDF Instructions - PDF Instructional PDF
Video Product Info: S&S Cycle: Easy Start Cams Instructional Video 7:59
Video Product Info: S&S: Camshaft Development Interview Instructional Video 5:30