EASY START CAM KITS FOR HARLEY-DAVIDSON
EASY START CAM KITS FOR HARLEY-DAVIDSON
S&S CYCLE EASY START CAM KITS FOR HARLEY-DAVIDSON 570C Easy Start® Cam Kit 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
Allow 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
All chain-drive cams include installation kit
All gear-drive cams include 4-gear set and installation kit
Gear-drive cams also available with inner gears only; intended for cam replacement for motors that have already been converted to an S&S gear-drive system
Made in the U.S.A.
HP103 EZ CAMS
Great for lighter bikes with strong power from 3500-6000 rpm
Use with stock heads (up to 10.2 compression) and low restriction intake and exhaust
Bolt-in cam for 103" and 106" Big Bore Twin Cam motors
MR103 EZ CAMS
Bolt-in cam for 103" Twin Cam motors
Broad torque curve improves output over stock over the entire rpm range
Use with stock heads and low restriction intake and exhaust
551 EZ CAMS
Can be used with stock pushrods, springs and lifters
Optimized for 88"/96"/103" to 106" Touring bikes with slip-on mufflers and 9.0 to 10.0:1 compression
Best bolt-in cam available for most 05-16 Dressers
Pulls hard from idle to 4000 rpm
557 EZ CAMS
Bolt-in design
Designed for Tri-Glides and other heavy bikes needing good bottom and mid-range performance
570 EZ CAMS
For 88/95/96/103 cubic-inch engines
99-04 models require high-lift springs
Compression ratios below 10:1
583 EZ CAMS
Strongest from 1500-5000 rpm in a Softail and Dyna application
Provides strong low-end torque and horsepower you can really feel
99-04 models require high-lift springs
Optimized for use as a great overall cam for Softail and Dyna, but can be used in any Big Twin
585 EZ CAMS
Optimized for 95" to 106" with slip-on mufflers, high-flow air filter and 9.0 to 10.5:1 compression
Great results from 3000-6000 rpm
99-04 models require high-lift springs and adjustable pushrods
625 EZ CAMS
High-lift springs and adjustable pushrods required for all applications
For 95/96/103/110 cubic-inch engines
Compression ratios from 10:1 to 10.75:1
635 H.O. EZ CAMS
RPM range 4000-6500
For best results, requires ported heads and low restriction intake/exhaust
High-power cam for modified engines, increase compression, high lift springs, adjustable pushrods and large bore throttle body required
640 EZ CAMS
For 95/96/103/110 cubic-inch engines
Compression ratios from 10.5:1 to 11.5:1
Strongest from 3,000-6,000 rpm
High-lift springs and adjustable pushrods required
EASY START CAM KITS
NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
NOTE: Due to the inherent characteristics of gear drives, you may experience more valve train noise.
NOTE: Not for models with OEM compression releases.