In stock

S&S Cycle Camshaft — Easy Start — 640 Gear Drive — Twin Cam '99-'06 (except '06 Dyna)

S&S Cycle · #0925-0747 · Bottom End / Camshafts & Install Kits

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
Intended for 95"/96"/103" and 110" engines with compression ratios between 10.5:1 and 11.5:1; strongest 3000 rpm - 6000 rpm range
Made in the USA
Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
Not for models with OEM compression releases.

$995.95

In stock. Ships in 2–4 business days · free shipping over $150.

Can’t ship to California.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features6 features

Includes 4-gear set.

Due to the inherent characterics of gear drives, there may be more valve train noise.

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
Intended for 95"/96"/103" and 110" engines with compression ratios between 10.5:1 and 11.5:1; strongest 3000 rpm - 6000 rpm range
Made in the USA
Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
Not for models with OEM compression releases.
High-lift springs and adjustable pushrods required.

Specifications21 specs

Exhaust Lift: 0.640"
Exhaust Lobe Centerline: 110°
Intake Lift: 0.640"
Riding Style: Street
Type: Gear
Application: Exhaust, Intake
Exhaust Close: 25°
Grind: 640 Series
Intake Close: 60°
Intake Duration: 265°
Intake Lift at TDC: 0.228"
Units: Kit
Intake Open: 25°
Model: Easy Start
Exhaust Duration: 270°
Exhaust Lift at TDC: 0.214"
Exhaust Open: 65°
Intake Lobe Centerline: 107.5°
Shipping weight: 5.95 lb
Package size: 11.4 × 9.1 × 4.7 in
Country of origin: USA

Fitment49 models · Harley-Davidson

Harley-Davidson49 models

15th Anniversary Fat Boy FLSTF2005
Electra Glide Ultra Classic FLHTCU1999
FLHR Road King1999–2006
FLHRCI Road King Classic1999–2006
FLHRI Road King2000–2006
FLHRS Road King Custom2004–2006
FLHRSI Road King Custom2004–2006
FLHT Electra Glide Standard1999–2006
FLHTC Electra Glide Classic1999–2005
FLHTCI Electra Glide Classic1999–2006
FLHTCUI Electra Glide Ultra Classic1999–2006
FLHTI Electra Glide Standard2003–2006
FLHX Street Glide2006
FLHXI Street Glide2006
FLST Heritage Softail2006
FLSTC Heritage Softail Classic2000–2006
FLSTCI Heritage Softail Classic2001–2006
FLSTF Fat Boy2000–2006
FLSTFI Fat Boy2002–2006
FLSTI Heritage Softail2006
FLSTN Softail Deluxe2005–2006
FLSTNI Softail Deluxe2005–2006
FLSTS Heritage Springer2000–2003
FLSTSC Softail Springer Classic2005–2006
FLSTSCI Softail Springer Classic2005–2006
FLSTSI Heritage Springer2001–2003
FLTR Road Glide1999–2002
FLTRI Road Glide1999–2006
FXD Dyna Super Glide1999–2005
FXDC Super Glide Custom2005
FXDCI Super Glide Custom2005
FXDI Dyna Super Glide2004–2005
FXDL Dyna Low Rider1999–2005
FXDLI Dyna Low Rider2004–2005
FXDS-Conv Dyna Convertible1999–2000
FXDWG Dyna Wide Glide1999–2005
FXDWGI Dyna Wide Glide2004–2005
FXDX Dyna Super Glide Sport1999–2005
FXDXI Dyna Super Glide Sport2004–2005
FXDXT Dyna Super Glide T-Sport2001–2003
FXST Softail Standard2000–2006
FXSTB Night Train2000–2006
FXSTBI Night Train2001–2006
FXSTD Softail Deuce2000–2006
FXSTDI Softail Deuce2001–2006
FXSTI Softail Standard2001–2006
FXSTS Springer Softail2000–2006
FXSTSI Springer Softail2001–2006
Road King EFI FLHR1999

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 0925-0747
S&S Cycle part #: 106-4840

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

California: this part can’t ship to a California address.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine S&S Cycle?: Yes. It’s new and genuine, straight from Salto — S&S Cycle part #106-4840.