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S&S Cycle 640 Easy Start Chain Drive Camshafts with Fuel Moto Complete Install Kit

Not Available
Availability: Approx. Week of November 8th, 2021.
NOTE: This product has the following shipping restriction(s):
  • This product cannot ship to California.
Was: $820.95
Pricing: Add to Cart to see Price


Regardless of displacement or compression ratio with a stock starter, Easy Start Cams from S&S® Cycle make hard starting obsolete for big twins. Available in chain drive and gear drive versions. Don't get caught "dead" without them! More Proven Performance® from S&S Cycle, Inc., the leader in V-Twin high performance parts since 1958.

  • Start any engine with a stock starter
  • Save your starter and battery!
  • Reliable – tested for 10,000 starts and didn't even run the battery down!Automatic – no buttons to push

The 640 cams are designed for engines of 95 inch or more with compression ratios between 10.5:1 and 11.5:1 used in S&S 124 inch engines.

Kit includes:

  • Camshafts
  • Gear Cover Gasket
  • Cam Bearings
  • Instructions

Open Close Lift Duration TDC Lift
INT 25 60 .640 265 .228
EX 65 25 .640 270 .214

For technical camshaft information along with detailed product support, please visit our Performance Cams page.

Product Series

Application List

Fitment for 106-5235_FM-CAMKIT_LIFTERS

Application List

Fitment for 106-5235_FM-CAMKIT_LIFTERS


  • 106-5235_C9664_FM-PR_330-0718
  • 106-5235_C9664_FM-PR_330-0718
  • S&S Cycle
  • Approx. Week of November 8th, 2021.
  • New


Shipping Information

  • Item Requires Shipping
  • 8.0 lbs.
  • W15.0000” x H8.0000” x L10.0000”
  • Free Ground Shipping