What type of engine performance improvements can I expect with this camshaft?

This camshaft is designed to greatly improve low-end and midrange torque, providing the strongest gains from idle up to 4000 RPM. It's a bolt-in upgrade for stock or mildly modified touring bikes.

What engine specifications are ideal for this camshaft?

The .551 inch lift cam is best suited for engines with 96 to 106 cubic inches and a compression ratio of 9:1 to 10:1.

Specifications

Brand: S&S Cycle
Part #: 106-4858
UPC: 106-4858

S&S Cycle 07-17 BT 551C Chain Drive Camshaft Kit

Name: S&S Cycle 07-17 BT 551C Chain Drive Camshaft Kit
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-07-17-bt-551c-chain-drive-camshaft-kit-t14-663345
Price: 399.95 USD
Availability: BackOrder

$399.95

On Backorder — Expected to ship by May 7, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

S&S Cycle 07-17 BT 551C Chain Drive Camshaft Kit. Improves low-end and midrange torque for stock or mildly modified touring bikes.

Key Features

Fits 2007-16 Harley-Davidson big twin models and '06 HD Dyna models.
Includes cams, gearcover gasket, cam bearings, and instructions.
Features a .551 inch lift camshaft designed for 96 to 106 CID engines.
Works with 9:1 to 10:1 compression ratios.
Improves low-end and midrange torque, strongest from idle - 4000 rpm.
Can be used with stock valve springs.

This camshaft kit is designed for 2007-2016 Harley-Davidson big twin models and 2006 Harley-Davidson Dyna models.

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About this part

Product Details

This kit from S&S Cycle includes the 551C chain drive camshaft, a gearcover gasket, cam bearings, and installation instructions. It's built for Harley-Davidson big twin models from 2007 to 2016, and 2006 Dyna models. This camshaft is designed to bolt right in, making it a straightforward way to boost your engine's performance without needing extensive modifications.

The .551 inch lift cam is specifically tuned for engines ranging from 96 to 106 cubic inches with a compression ratio between 9:1 and 10:1. You'll notice a significant improvement in low-end and midrange torque, with the strongest gains felt from idle up to around 4000 RPM. It's a well-built option for stock or mildly modified touring bikes, and you can even reuse many of your existing stock components, including the valve springs, which helps keep the installation time short.

S&S Cycle chain drive cams are a popular choice for riders looking to increase performance affordably. This kit offers a solid way to get more out of your engine, especially if you prioritize strong pulling power from a standstill and through the lower RPM range.