EASY START CAM KITS FOR HARLEY-DAVIDSON

S&S CYCLE EASY START CAM KITS FOR HARLEY-DAVIDSON 583C 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.