What is the main benefit of the "Easy Start" feature?

The Easy Start feature on these cams is designed to reduce the load on your starter motor during engine startup. This allows your stock starter to handle the increased compression from the performance camshafts without issue.

Do I need to replace my valve springs with this kit?

For 2005 and 2006 model year Big Twins, you can typically use the stock valve springs. However, if you have a 1999-2004 model, you will need to install special high-lift valve springs because these cams have a higher lift than stock.

What else might I need to install this camshaft kit?

While the kit includes cams, a gasket, and bearings, S&S Cycle recommends using their adjustable pushrods due to the high lift of these cams. For the best performance, a high-flow intake and exhaust system are also suggested.

Specifications

Brand: S&S Cycle
Part #: 106-5289
UPC: 106-5289

S&S Cycle 99-06 BT Easy Start 583CE Chain Drive Camshaft Kit

Name: S&S Cycle 99-06 BT Easy Start 583CE Chain Drive Camshaft Kit
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-99-06-bt-easy-start-583ce-chain-drive-camshaft-kit-t14-663410
Price: 540.95 USD
Availability: BackOrder

$540.95

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S&S Cycle 99-06 BT Easy Start 583CE Chain Drive Camshaft Kit. Improves horsepower and torque from 1500-5000rpm.

Key Features

Fits 1999-2006 Harley-Davidson Big Twin models, including Softail and Dyna lines.
Easy Start® cams allow the stock starter to start any engine.
Optimized for horsepower and torque gains between 1500-5000 RPM.
Designed for chain drive applications.
Kit includes camshafts, gearcover gasket, cam bearings, and instructions.
Stock valve springs can be used on 2005-2006 models; 1999-2004 models require special valve springs.

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About this part

Product Details

This is the S&S Cycle 583CE Easy Start Chain Drive Camshaft Kit, designed for 1999 through 2006 Harley-Davidson Big Twin engines. If you're looking to get more noticeable power and torque throughout the entire RPM range, especially between 1500 and 5000 RPM, this kit is a solid option. It's built to work with the stock valve springs on 2005-2006 models, but if you have a 1999-2004 Big Twin, you'll need to plan on using special valve springs because these cams have a higher lift than stock.

The Easy Start feature is a real plus here, as it allows your stock starter to handle the increased load when starting the engine, making the installation process smoother. For optimal performance gains, S&S Cycle recommends pairing these cams with a high-flow intake and exhaust system, and they also suggest using their adjustable pushrods due to the high lift profile of these cams. This kit comes with the camshafts themselves, a gear cover gasket, cam bearings, and installation instructions, giving you a good starting point for your engine upgrade.

This kit is a popular choice for riders looking for a noticeable improvement in their Softail and Dyna models. Remember that these cams are not CARB approved and cannot be shipped to California.