Product Details
Features
- Computer Numerical Control (CNC) from 8620 billet steel and case harden
- Designed and dyno proven in the USA
- Engineered by using valvetrain software
- Adds a 5%-10% power gain
- Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
- Designed for mid to top end gains.
- Engineered to be drop in cams that use stock valve springs (unless otherwise noted).
Specs
| Exhaust Lobe Centerline | 104° |
| Riding Style | ATV |
| Application | Intake |
| Exhaust Lift | 10.28 mm |
| Type | Stage 2 |
| Units | Each |
| Intake Duration | 246° |
| Intake Lobe Centerline | 106° |
| Product Name | Camshaft |
| Application | Exhaust |
| Exhaust Duration | 259° |
| Intake Lift | 9.75 mm |
Part Notes
- Improved mid range and top end power.
- Uses stock auto-decompression mechanism.
- For dual cam engine.
- Requires Hot Cams spring kit.
- Intake Valve Lash: 0.200 mm.
- Exhaust Valve Lash: 0.250 mm.
Features
- Computer Numerical Control (CNC) from 8620 billet steel and case harden
- Designed and dyno proven in the USA
- Engineered by using valvetrain software
- Adds a 5%-10% power gain
- Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
- Designed for mid to top end gains.
- Engineered to be drop in cams that use stock valve springs (unless otherwise noted).
Specs
| Exhaust Lobe Centerline | 104° |
| Riding Style | ATV |
| Application | Intake |
| Exhaust Lift | 10.28 mm |
| Type | Stage 2 |
| Units | Each |
| Intake Duration | 246° |
| Intake Lobe Centerline | 106° |
| Product Name | Camshaft |
| Application | Exhaust |
| Exhaust Duration | 259° |
| Intake Lift | 9.75 mm |
Part Notes
- Improved mid range and top end power.
- Uses stock auto-decompression mechanism.
- For dual cam engine.
- Requires Hot Cams spring kit.
- Intake Valve Lash: 0.200 mm.
- Exhaust Valve Lash: 0.250 mm.
| Store SKU | MFR. Product # | Availability |
|---|---|---|
| YFM660S2-A | 4005-2 | In Stock |
This Product Fits
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Product Description
Features
- Computer Numerical Control (CNC) from 8620 billet steel and case harden
- Designed and dyno proven in the USA
- Engineered by using valvetrain software
- Adds a 5%-10% power gain
- Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
- Designed for mid to top end gains.
- Engineered to be drop in cams that use stock valve springs (unless otherwise noted).
Specs
| Exhaust Lobe Centerline | 104° |
| Riding Style | ATV |
| Application | Intake |
| Exhaust Lift | 10.28 mm |
| Type | Stage 2 |
| Units | Each |
| Intake Duration | 246° |
| Intake Lobe Centerline | 106° |
| Product Name | Camshaft |
| Application | Exhaust |
| Exhaust Duration | 259° |
| Intake Lift | 9.75 mm |
Part Notes
- Improved mid range and top end power.
- Uses stock auto-decompression mechanism.
- For dual cam engine.
- Requires Hot Cams spring kit.
- Intake Valve Lash: 0.200 mm.
- Exhaust Valve Lash: 0.250 mm.
Part Numbers
| Store SKU | MFR. Product # | Availability |
|---|---|---|
| YFM660S2-A | 4005-2 | In Stock |
Fitment
This Product Fits
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.