

⚡ Unlock your ATV’s hidden beast mode with zero fuss!
The Hot Cams 4100-1 Camshaft is a precision-machined, true drop-in upgrade for Yamaha YFM 660 F Grizzly and YXR 660 F Rhino models (2002-2008). It boosts acceleration and bottom-end power without requiring valve spring or rocker modifications, delivering enhanced performance with seamless installation.
| Manufacturer | Hot Cams |
| Brand | Hot Cams |
| Model | 4100-1 |
| Product Dimensions | 7.62 x 7.62 x 24.77 cm; 615 g |
| Item model number | 4100-1 |
| Exterior | Machined |
| Manufacturer Part Number | 4100-1 |
| OEM Part Number | Yamaha YXR 660 F Rhino 660 04 05 06 07 |
| Item Weight | 615 g |
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