S&S Cycle 635C Camshaft Kit - Harley Dyna & Big Twin
About S&S Cycle
S&S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S&S. Few names carry more weight with engine builders in this space.
Upgrade your 2006 Dyna or 2007-and-newer Harley big-twin with the S&S Cycle 635C camshaft kit for a noticeable increase in performance. This comprehensive kit is designed to enhance your engine's output while allowing you to reuse many of your stock components, simplifying the upgrade process. Get ready for a more responsive ride.
Why riders pick this
- Increases performance over stock cams
- Designed to reuse many stock components
- Complete kit with all installation hardware
- Includes gearcover gasket, bearings, and thread lock
- Engineered for straightforward installation
The S&S Cycle 635C camshafts are engineered to deliver a significant performance boost for compatible Harley-Davidson Dyna and big-twin engines. This kit goes beyond just the cams, providing all the necessary installation hardware, gaskets, and bearings. By carefully designing these cams to integrate with many stock components, S&S Cycle makes it easier and more cost-effective to achieve higher performance from your V-twin.
Complete Kit for Easy Installation
- Designed to increase performance over stock camshafts
- Allows for the reuse of many existing stock engine components
- Includes a complete installation kit for convenience
- Comes with gearcover gasket, bearings, retaining ring, and thread lock
- Engineered for a quick installation process
Optimized for Modern V-Twin Engines
This 635C camshaft kit is an excellent choice for riders looking to unlock more power from their 2006 Dyna or any 2007-and-newer Harley big-twin engine. The thoughtful inclusion of all mounting hardware and gaskets in one package ensures you have everything needed to get the job done right. Pair these cams with a performance intake and exhaust for the ultimate upgrade, and consider a dyno tune to maximize your gains.
Specifications
- Brand: S&S Cycle
- Manufacturer Part #: 330-0328
- Category: Engine Components / Camshafts
- Weight: 4.01 lb
Common questions
What's included in the S&S Cycle 635C camshaft kit?
The kit includes the camshafts, an installation kit, a gearcover gasket, bearings, a retaining ring, an o-ring, thread lock, and detailed instructions for assembly.
Do I need to replace other engine parts to install these cams?
No, this kit is specifically designed to allow the reuse of many stock engine components, which helps keep installation costs and complexity low.
Will these cams fit my 2005 or older Dyna?
This S&S Cycle 635C camshaft kit is designed for 2006 Harley-Davidson Dyna models and all 2007-and-newer big-twin engines. It will not fit 2005 or older Dyna models.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | S&S Cycle |
| TYPE | Camshafts |
| SKU | T14-663352 |
| WEIGHT | 4.01 lb |