HOT CAMS - 4020-1E - Camshaft - Exhaust - Stage 1 - Yamaha
The HOT CAMS 4020-1E is a precision-engineered engine component built for riders and builders who demand exacting tolerances and long-lasting performance. Stage 1 is designed for low end torque. Adds a 5%-10% power gain. Designed and dyno proven in the USA. Manufactured by utilizing state of the art valvetrain software. Note: Increases bottom end and mid range power. Designed for Off-Road applications. Sold as a kit.
Features
- Stage 1 is designed for low end torque
- Adds a 5%-10% power gain
- Designed and dyno proven in the USA
- Manufactured by utilizing state of the art valvetrain software
- CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
- Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
- Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.
- For dual cam engine.
Specs
- Application: Exhaust
- Exhaust Lift: 8.100 mm
- Units: Each
- Type: Stage 1
- Exhaust Lobe Centerline: 104°
- Exhaust Duration: 252°
- Product Name: Camshaft
- Riding Style: Off-Road
Frequently Asked Questions - HOT CAMS - 4020-1E - Camshaft - Exhaust - Stage 1 - Yamaha
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
